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  1. Home
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  3. 宮川製作所
Information and Communications
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宮川製作所

EstablishmentSeptember 1939
capital10000Ten thousand
number of employees200
addressKanagawa/Kohoku-ku, Yokohama-shi/2-1-6 Tarumachi
phone045-542-1150
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last updated:Mar 25, 2025
宮川製作所logo
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  • Products/Services(16)
  • catalog(14)
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宮川製作所 Company Profile

We contribute to the expansion of our customers' IoT businesses by utilizing RFID for item management, wireless communication technologies such as LTE, and sensor technologies like GPS and temperature/humidity sensors.

We will enhance our manufacturing capabilities that can be used with peace of mind, and contribute to the efficiency of customer operations (DX) in the social infrastructure sector, where labor shortages are becoming serious, by providing our unique data collection platform for objects, centered around our expertise in technologies such as RFID. (1) Application of UHF band RFID tags, along with technology for detailed management of items using our own antennas and RFID readers/writers, as well as management technology for the handling of tools and keys and asset inventory. (2) Wireless (LTE, WiFi, BLE) connection with various sensors (human presence, temperature and humidity, current, GPS, weight) through various interfaces (LAN, RS232C, RS485, Zigbee), enabling wireless sensor technology applicable indoors, outdoors, and in vehicles. (3) Development of facial recognition terminal "Noctua" and access control management system to enhance security in offices and buildings. (4) LTE-compatible edge control technology equipped with IoT interfaces such as LAN, serial (RS232C, RS485), USB, and running Linux applications.

Business Activities

【Promotion Project】 (1) A business for efficient management of locations and assets by introducing a system for the borrowing and returning of tools, keys, important documents, medical components, and rental materials equipped with RFID tags. (2) A data collection platform business that collaborates with cloud-based applications by introducing various wireless communication devices such as LTE, WiFi, BLE, and specific low-power wireless devices, accommodating interfaces like LAN and serial (RS232C, RS485). (3) Improving security in offices and buildings through the development of a facial recognition terminal "Knoctoi" and an entry and exit management system. (4) A facility management business that monitors various business equipment (machinery, communication equipment, facilities, etc.) and collects operational data from sensing data (temperature, humidity, current, vibration, etc.).

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Products/Services (16)

【Exhibition on 10/17 and 18!】Face recognition terminal & RFID cabinet product image
【Exhibition on 10/17 and 18!】Face recognition terminal & RFID cabinet
Management of in-vehicle items for company vehicles, vehicles, and outside the vehicle / In-vehicle compatible items management system. product image
Management of in-vehicle items for company vehicles, vehicles, and outside the vehicle / In-vehicle compatible items management system.
For managing the borrowing and returning of items and inventory! Item management system "rafis". product image
For managing the borrowing and returning of items and inventory! Item management system "rafis".
Multi-carrier compatible LTE router 'efPORT-TM' SIM-free product image
Multi-carrier compatible LTE router 'efPORT-TM' SIM-free

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catalog(14)

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Facial recognition terminal "Knoctoi Series"

Facial recognition terminal "Knoctoi Series"

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In-vehicle management system catalog

In-vehicle management system catalog

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Introduction materials for the RFID item management system 'rafis'

Introduction materials for the RFID item management system 'rafis'

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Current, Power, Temperature Monitoring System F&M-Portal

Current, Power, Temperature Monitoring System F&M-Portal

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news(11)

2021-12-02_10h56_58.png

[Release Announcement] Multi-Carrier Compatible LTE Router 'efPORT-TM'

  • PRODUCT

We are pleased to announce that Miyakawa Manufacturing Co., Ltd. has released the industrial router 'efPORT-TM', which supports LTE communication for domestic carriers. With a weight of 125g and a compact, ultra-lightweight design the size of a pocket tissue, it features self-diagnosis and self-recovery functions, enabling the construction of systems that do not stop. Additionally, it can be used in various locations, including unmanned environments in remote areas. We deliver Japanese-made (domestically designed and produced) devices to our customers, ensuring reliable and secure system construction for industrial applications. It is utilized for various purposes, including remote monitoring of devices, solutions using cameras, and data collection from locations without network environments. You can find more details in related products and catalogs.

Dec 02, 2021

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2021-09-08_09h06_08.png

[Notice of Video Publication] Current, Power, Temperature, and Other Monitoring System (F&M-Portal)

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We are pleased to announce that a YouTube video has been published on the page for our product, the "Current, Power, and Temperature Monitoring System (F&M-Portal)." This product is a monitoring system (measurement device + application) that can measure current, power, and temperature from the distribution board of electrical equipment. You can find more details in the related products below. Please check the YouTube video as well.

Sep 08, 2021

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RFID持出返却の簡易ゲート.jpg

Rafis Outgoing Management System" in "Convi.BASE

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The use of "rafis RFID Management System" utilizing "RFID Simple Gate" from Miyakawa Seisakusho is available with "Convi.BASE" by Netrecs Inc. <Applicable Image> By using the "rafis RFID Management System" for items managed with RFID in "Convi.BASE," management of borrowing and returning using the "Simple RFID Gate" is possible. 【RFID Simple Gate】 Dimensions (mm): W310 x D500 x H1210 Weight: Approximately 5kg Supported Frequency: 916.8–920.8MHz Maximum Output: 1W Power Supply: Not required (powered by R/W) Function Overview: Lightweight and does not require installation work, making it easy to move and relocate. <Contact for Inquiries> 〇 Inquiry for rafis Management System: https://www.msk.co.jp/contact/index.php 〇 Inquiry for "Convi.BASE" Netrecs Inc. Marketing Group TEL: 03-5643-6743 E-MAIL: info@netreqs.co.jp

Apr 23, 2021

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Detailed information

Company name 宮川製作所
number of employees200
Contact addresspostalcode 222-0001 Kanagawa/ Kohoku-ku, Yokohama-shi/ 2-1-6 TarumachiView on map TEL:045-542-1150 FAX:045-543-7981
Key PartnersNTT (Nippon Telegraph and Telephone), NTT East Japan, NTT West Japan, NTT Communications, NTT Docomo, NTT TechnoCross, NTT Advanced Technology, NTT Field Techno, NTT Smart Connect, NEC (Nippon Electric Company), Toshiba, Hitachi, Fujitsu and other group companies, Kyocera, Toppan TDK Label, Toitsu, and others.
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