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  1. Home
  2. Electricity, Gas and Water Industry
  3. 日本エンヂニヤ
  4. National Small Hydropower Generation Conference in Saitama
SEMINAR_EVENT
  • Apr 21, 2025
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Apr 21, 2025

National Small Hydropower Generation Conference in Saitama

日本エンヂニヤ 日本エンヂニヤ
We will be exhibiting at the National Small Hydropower Generation Conference held in Saitama Prefecture. 【Exhibited Product】 Dust Removal Device JJS Series
Date and time Wednesday, Nov 05, 2025 ~ Thursday, Nov 06, 2025
Capital Sonic City
Entry fee Charge
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2020-01-22_14h50_34.png

Non-powered, non-electric dust removal 'JJS-C'

There are extremely few malfunctions because there are no moving parts! Small hydropower generation's success hinges on dust removal.

The "JJS-C" is a non-powered, non-electric debris removal system with a high capacity for removing waste such as fallen leaves and driftwood, which increases power output through full water intake and improves the operating rate of the water turbine. By simplifying the structure, initial costs are reduced. Backflow occurs due to the closing operation of the water turbine's guide vanes and valves, contributing to a reduction in maintenance burden by washing away debris. 【Features】 ■ Reduced initial costs ■ Increased efficiency by combining screens at two angles ■ Reduced maintenance burden *For more details, please refer to the PDF materials or feel free to contact us.

  • Other power generation

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Non-powered, non-electric dust removal "JJS-A (installed on river embankments)"

Install in rivers and simplify equipment! Reduce maintenance costs by decreasing cleaning frequency!

The "JJS-A" is a product that can be installed on river dams. By installing it in rivers, it simplifies the equipment up to the head tank. Small hydropower generation is determined by the removal of debris, and it is a strong ally for small hydropower generation and agricultural water intake. Additionally, since there are no moving parts, the likelihood of failure is extremely low, and debris flows downstream in the river, eliminating the need for debris disposal. 【Features】 ■ Reduces initial costs ■ No power or electricity required at the intake ■ Reduces maintenance costs ■ Decreases the frequency of cleaning the intake *For more details, please refer to the PDF materials or feel free to contact us.

  • Hydroelectric power

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Non-powered, non-electric dust removal 'JJS-B'

Achieving stable water intake and easy maintenance! The birth of a strong ally for small hydropower generation and agricultural water intake.

The "JJS-B" is a non-powered, non-electric debris removal system that removes leaves and driftwood from waterways, ensuring a stable water intake volume while achieving low installation and operational costs. Thanks to its special structure that minimizes clogging and considers maintenance, it achieves both stable water intake and easy upkeep. It can be installed more easily compared to conventional debris removal devices, thereby reducing the overall introduction and operational costs of the facility. 【Features】 ■ Special structure that minimizes clogging ■ Easy maintenance ■ Reduced installation and operational costs *For more details, please refer to the PDF document or feel free to contact us.

  • Hydroelectric power

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須坂市米子北の沢用水発電所.PNG

Reducing the cleaning burden of agricultural water [Case study on dust removal equipment]

Annual CO2 emission reduction of approximately 280 tons! Introducing examples of head tank installations.

We would like to introduce a case where a dust removal device, model 'JJS-C', was installed at the head tank of the Nozawa Water Power Plant in Suzaka City. This product was jointly developed with Shinshu University, Fujimaki Construction Co., Ltd., and JSE Co., Ltd. It began water flow testing in May 2018 and started power generation in November 2019. It has reduced the cleaning burden of agricultural water and achieved an annual CO2 emission reduction of approximately 280 tons. 【Case Overview】 ■ Maximum water usage: 430 L/second ■ Maximum effective drop: 36.54 m ■ Maximum output: approximately 115 kW *For more details, please refer to the PDF document or feel free to contact us.

  • Water Treatment

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長野県五郎兵衛用水発電所.PNG

Dust removal device with backflow cleaning function introduction case [Small hydropower generation]

Maximum output is 105 kW! Part of the sales revenue is utilized for community coexistence and irrigation management.

We would like to introduce a case where the dust removal device "JJS-C type" was installed in the head tank of the Gorohebi Water Supply Hydroelectric Power Plant in Nagano Prefecture. This product was jointly developed with Shinshu University, Fujimaki Construction Co., Ltd., and JSE Co., Ltd., with a maximum water usage of 350L/second and a maximum effective drop of 43.08m. Power generation began in April 2023, and part of the revenue from selling electricity will be used for community coexistence and water management. 【Case Overview】 ■ Maximum water usage: 350L/second ■ Maximum effective drop: 43.08m ■ Maximum output: 105kW *For more details, please refer to the PDF document or feel free to contact us.

  • Water Treatment

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静岡県沼津市戸田饗の里公園1.PNG

Ensuring a stable water intake volume and achieving low-cost installation and operation [Dust removal device]

Introducing an example of a water intake weir with a maximum output of 19.9 kW and an equipment utilization rate of over 95%!

We would like to introduce a case where a dust removal device "JJS-A type" was installed at the water intake weir in Todakyo Park, Numazu City, Shizuoka Prefecture. The maximum water usage is 62L/second, and the maximum effective head is 61.7m. The dust removal device began operation in March 2020, and power generation started in April 2021. The equipment utilization rate is over 95%. Please feel free to contact us if you have any inquiries. 【Case Overview】 ■ Maximum water usage: 62L/second ■ Maximum effective head: 61.7m ■ Maximum output: 19.9kW *For more details, please refer to the PDF document or feel free to contact us.

  • Water Treatment

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Related catalog(5)

Non-powered, non-electric dust removal 'JJS-A (installed in drainage channels from rivers, drop structures)'

Non-powered, non-electric dust removal 'JJS-A (installed in drainage channels from rivers, drop structures)'

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Non-powered, non-electric dust removal "JJS-A (installed at river dams)"

Non-powered, non-electric dust removal "JJS-A (installed at river dams)"

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Battery-free, power-free dust removal 'JJS-B'

Battery-free, power-free dust removal 'JJS-B'

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Battery-free, power-free dust removal "JJS-C"

Battery-free, power-free dust removal "JJS-C"

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Japan Engineering Co., Ltd. Company Profile

Japan Engineering Co., Ltd. Company Profile

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日本エンヂニヤ
Electricity, Gas and Water Industry
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■ Announcement of "2025 Attack Fair in Meiko"! ■ 【July 23, 2025 (Wednesday) to July 24, 2025 (Thursday)】

  • NEW
  • SEMINAR_EVENT

Nitto Kohki will hold the "2025 Attack Fair in Meiko" for two days from July 23 (Wednesday) to July 24 (Thursday), 2025, at the "Kowa Seminar Plaza 2F Training Room No. 12 (inside Kowa Sports Land)." The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities prepared. We look forward to welcoming everyone!

Oct 23, 2025

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Basics and Applications of Foreign Patent Research Online Free Seminar

Basics and Applications of Foreign Patent Research: What are the Practical Points for Research and Analysis Using PatentSQUARE?

  • NEW
  • SEMINAR_EVENT

As global competition among companies intensifies, there is a growing demand for the investigation and analysis of foreign patents. However, due to language barriers and the vast amount of patent information, it is challenging to search for only relevant technologies, requiring advanced research skills to conduct efficient investigations. Therefore, we would like to introduce our patent research support service "PatentSQUARE," which allows you to learn the basics to advanced techniques of foreign patent research, including useful features and the latest functionalities. << Part 1: Recommended for those starting foreign patent research >> - Unique input methods for specific conditions when searching foreign literature - How to conduct research with an awareness of patent families - Equipped with an English company name dictionary to support the resolution of discrepancies in notation during analysis << Part 2: Recommended for those wanting to analyze foreign patents, explore new areas, or conduct competitive research >> - Convenient ways to utilize AI search to break through the question of where to start - Practical methods for creating a parent set, analyzing it, and utilizing the information afterward - What can be done "because" of the IP BI dashboard If you want to improve the efficiency of foreign patent research or easily conduct analyses of domestic and foreign patents, please feel free to join us. * You can participate in only the themes you like.

Oct 22, 2025

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We will be exhibiting at the Building Maintenance Human Fair & Clean EXPO 2025.

  • NEW
  • SEMINAR_EVENT

The "Building Maintenance Human Fair & Clean EXPO 2025," held from November 19 (Wednesday) to November 21 (Friday), 2025, is the largest annual exhibition in Japan focused on the building maintenance sector, organized by the National Building Maintenance Association and the Japan Management Association. The field report app "Smart Attack" is celebrating its 15th anniversary this year since its release. It has a proven track record of being utilized by many customers as an efficiency tool for various building maintenance tasks such as cleaning, security, and facility management! At our exhibition booth, we will present a demonstration and the latest information on the completely renewed new app "Smart Attack V3." ★★★ Points ★★★ Fully renewed version: New app "Smart Attack V3" The fully renewed version of the new app "Smart Attack" is here! You can see the latest version "Smart Attack V3," which has improved processing speed and a completely redesigned interface, in a demonstration. All of us at the company look forward to your visit.

Oct 22, 2025

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Notice of Participation in EdgeTech+2025

  • NEW
  • SEMINAR_EVENT

This exhibition is one of the largest comprehensive exhibitions for embedded and edge technology in Japan, focusing on design philosophy based on AI, secure by design, and building resilient supply chains. It provides an overview of the entire embedded ecosystem, covering everything from institutional and market trends to on-site implementation, allowing attendees to experience the forefront of transformation in embedded technology. At the D-Link booth, we will introduce our "4G/5G M2M products," which can be widely used from offices and stores to embedded devices, factory equipment, and in-vehicle systems, along with the cloud management platform "D-ECS" that streamlines operations after implementation. We will also showcase the "DIS series," an industrial switch with excellent durability, featuring a wide operating temperature range from -40°C to 75°C and compliance with IP protection ratings.

Oct 21, 2025

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Industry Exchange Exhibition 2025 Exhibition Logo

Notice of Participation in the Industrial Exchange Exhibition 2025

  • NEW
  • SEMINAR_EVENT

We are pleased to announce that our company will be exhibiting at the "Industrial Exchange Exhibition 2025." <Overview of the Industrial Exchange Exhibition 2025> Exhibition Name: Industrial Exchange Exhibition 2025 (https://www.sangyo-koryuten.tokyo/) Dates: November 26 (Wednesday) to November 28 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Tokyo Big Sight, West Halls 1 and 2 Admission: Free (pre-registration required) <Booth Information> Booth Number: B-04 (within the Tokyo Business Frontier Pavilion) <Main Exhibits> - UHF Band RFID Reader/Writer Module [TPURID2100] - 920MHz Band LPWA Wireless Communication Module [TPSW9] - 2.4GHz Band Wireless Communication Module [TPBPM] - Positioning Starter Kit We understand that you may be busy, but we sincerely hope you will take this opportunity to visit us and stop by our booth.

Oct 20, 2025

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