Hashimoto Corporation Kabushiki Kaisha

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USPTO Granted Patents = 3

Forward Citations = 111

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2 inventors (with patents filed for the assignee):

Kazuo Hashimoto (2 out of 121 patents)

Kazuo Hashimoto (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 4459432 - Telephone charge integrating and displaying device and system (1984-07-10),

2. 4242539 - Telephone information displaying device (1980-12-30),

3. 4069397 - Automatic telephone answering device (1978-01-17),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#3,555 in Tokyo

#8,945 in Japan

Tokyo, Japan

Hashimoto Corporation Kabushiki Kaisha

Forward Citations = 111

2 inventors:

Kazuo Hashimoto (2 out of 121 patents)

Kazuo Hashimoto (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hashimoto Corporation Kabushiki Kaisha. Retrieved from https://idiyas.com/company/hashimoto-kabushiki-kaisha

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]