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Graphtech Iwatsuu Measurement Inc.

グラフテック岩通計測株式会社
Ticker
—
Listed market
—
Country
Japan
Employees (non-consolidated)
—
Related companies
3
§01

Basic information

BASIC
Head office
1-7-41 Kuga-yama, Suginami-ku, Tokyo
Chief executive
Yasutaka Arakawa
Capital
100,000,000
Employees (non-consolidated)
Employees (consolidated)
Start date
2025-12-25
End date
§02

Websites

1 DOMAINS
§03

Business

4
Manufacture and sale of electronic and electrical measuring instrumentsManufacture and sale of control devicesManufacture and sale of office equipmentSecondhand dealer
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Related companies

3 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
あいホールディングスグループ
Group
Graphtech Corporation
Group
IWATSU ELECTRIC CO., LTD.
Group Subsidiary
Names without a link are companies not yet registered in OpenBizGraph
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Network

NETWORK
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§06

History

16 EVENTS

Iwasaki Tsushinki: Founding of Iwasaki Tsushinki Co., Ltd.Sources

Iwasaki Tsushinki: Delivery of Radio Wave Warning Machine No. 1 to Tokyo 1st Army MintSources

Graphtech: Establishment of Watanabe Laboratory Inc.Sources

Iwasaki Tsushinki: Delivery of Japan's first trigger-type oscilloscope, No. 1, to the Technical Research Institute of the Security AgencySources

Iwasaki Tsushinki: Listed on the First Section of the Tokyo Stock ExchangeSources

Graphtech: Development of Japan's first X-Y recorderSources

Iwasaki Tsushinki: Entered the field of measurement and control systems for space-related equipmentSources

Graphtech: Changed trade name to Watanabe Measuring Instruments Co., Ltd.Sources

Graphtech: Changed trade name to Graphtech Inc.Sources

Iwasaki Tsushinki: Awarded the Minister of Science and Technology Award for high-speed storage tube for storage scopesSources

Graphtech: Listed on the Second Section of the Tokyo Stock ExchangeSources

Graphtech: Reclassified to the First Section of the Tokyo Stock ExchangeSources

Graphtech: Merged with Doddwell BMS and established a holding company, Ai Holdings Inc.Sources

Iwasaki Tsushinki: Iwasaki Tsushinki Co., Ltd. merged with Iwatsuu Sales Co., Ltd., Iwatsuu Measurement Co., Ltd., and Media Comfort Co., Ltd., subsidiariesSources

Iwasaki Tsushinki: Became a wholly owned subsidiary of Ai Holdings Inc.Sources

Establishment of Graphtech Iwatsuu Measurement Inc.: Integration of measurement businesses of Graphtech Inc. and Iwasaki Tsushinki Inc.Sources

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News

0 ARTICLES

There is no news.

§08

Public records

GOV
National Tax Agency basic information5011301031133
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
グラフテック岩通計測株式会社
Trade name (kana)
グラフテックイワツウケイソク
Name in English
Corporation type
301
Address
〒168-0082 東京都杉並区久我山1丁目7番41号
Postal code
1680082
Prefecture code
13
City code
115
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2025-12-19
Update date
2025-12-19
Change date
2025-12-19
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
01
Correction type
0
Trade name image ID
Address image ID
Sequence number
1963511
METI gBizINFO5011301031133
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
5011301031133
Trade name
グラフテック岩通計測株式会社
Trade name (kana)
グラフテックイワツウケイソク
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都杉並区久我山1丁目7番41号
Postal code
1680082
Prefecture
東京都
Prefecture code
13
City or district
杉並区
City code
115
Street address
久我山1丁目7番41号
Organisation type
301
Processing type
01
Correction type
0
Status
Representative
Capital
Employees
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date
2025-12-19
Key information
5011301031133
§09

Sources & updates

SOURCES
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