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  3. サンコーシヤ
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サンコーシヤ

EstablishmentJune 1939
capital97500Ten thousand
number of employees642
addressTokyo/Shinagawa/18th floor, Osaki With Tower, 2-11-1 Osaki
phone03-3491-2525
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last updated:Jun 15, 2026
サンコーシヤlogo
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  • Products/Services(22)
  • catalog(29)
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サンコーシヤ Company Profile

We are the only "comprehensive lightning protection company" that can provide everything from lightning observation and research to product supply, construction, and maintenance in a consistent manner.

Since its establishment in 1930, Sanko Shiya has expanded its business in response to the needs of the times, ranging from the design and manufacturing of communication safety devices and lightning rods to the design and manufacturing of meteorological observation instruments and optical technology-related equipment. Additionally, we established Franklin Japan (in Sagamihara City), a lightning and meteorological information company, and provide high-precision lightning strike information services through a lightning observation network installed across Japan, solidifying our position as the world's only comprehensive company related to 'lightning,' from observation to protection.

Business Activities

■Manufacturing, sales, and construction of lightning protection products, equipment, and lightning meteorological observation instruments/devices ■Manufacturing, sales, and construction of telecommunications equipment and facilities ■Manufacturing, sales, and construction of measurement and signaling equipment ■Research, study, and consulting services related to lightning meteorology, geological phenomena, and lightning damage ■Development of computer hardware and software associated with meteorological information services

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Products/Services (22)

LAN surge protective devices used for lightning protection measures. product image
LAN surge protective devices used for lightning protection measures.
GDT (Ceramic Alesta) product image
GDT (Ceramic Alesta)
Biosun Earth product image
Biosun Earth
Battery Monitoring System & Battery Analyzer product image
Battery Monitoring System & Battery Analyzer

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catalog(29)

Survey responses are required to view e-book details. Click to view the e-book.

Bio SAN-EARTH BC1

Bio SAN-EARTH BC1

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GDT Catalog

GDT Catalog

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Battery Monitoring System & Battery Analyzer

Battery Monitoring System & Battery Analyzer

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Aviation Obstruction Light Catalog

Aviation Obstruction Light Catalog

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news(3)

雷しゃがみ推奨方針見直し.png

Regarding the review of the recommended policy on "Raishagami."

  • OTHER

As one of the emergency safety measures during thunderstorms, our company has recommended the so-called "thunder crouch" (a posture of crouching low with feet together). However, considering cases of delayed evacuation, recent research findings, and the views of domestic and international disaster prevention and specialized agencies, we will no longer recommend the "thunder crouch" and will make obtaining thunder information and evacuating to safe places our basic policy for reducing thunder-related damage. Safety measures during thunderstorms (prioritizing evacuation) - Early detection of signs of thunder - Quickly evacuating to a safe place such as indoors or in a vehicle when thunder is expected - Checking weather information in advance during outdoor activities and refraining from risky behavior We will continue to strive to provide and disseminate information that contributes to ensuring your safety based on the latest scientific knowledge and disaster prevention perspectives. For more details, please refer to the information provided by our group company, Franklin Japan Co., Ltd.

Jun 15, 2026

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N-JP-8.5G_product1.jpg

[New Product] We have developed a coaxial SPD N-JP-8.5G compatible with 8.5GHz.

  • PRODUCT

Coaxial SPD (Coaxial Lightning Arrester) to protect wireless devices from lightning surges Compatible with high frequencies up to 8.5GHz! ○ Features  Usable in a wide bandwidth from DC to 8.5GHz  High versatility with a power rating of 100W  Includes mounting hardware ○ Main protected devices  WiFi 7  Fifth generation mobile communication system "5G"  Local 5G (Sub6 band)  Wireless communication devices  ETC2.0  ITS (Intelligent Transportation Systems)  Wireless LAN 2.4GHz band, 5GHz band  Broadcast FPU  Satellite communication  C-band radar equipment  6.5GHz/7.5GHz multiplex wireless ○ Main specifications  IEC 61643-21:2009 / JIS C 5381-21:2014  Supports Category C2 and Category D1  Power rating of 100W  N-type (P-J) connector  CE marking

Jun 03, 2026

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スクリーンショット 2026-06-03 132858.png

A new page for lightning damage countermeasures by equipment and facility has been created.

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A new lightning damage prevention page by equipment and facility has been created. Please see the link below.

Jun 03, 2026

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Detailed information

Company name サンコーシヤ
number of employees642
Contact addresspostalcode 141-0032 Tokyo/ Shinagawa/ 18th floor, Osaki With Tower, 2-11-1 OsakiView on map TEL:03-3491-2525 FAX:03-5496-4289
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