H-one Co., Ltd. is a leading manufacturer of electronic components and automotive parts. With a focus on innovation and quality, H-one has established itself as a trusted provider in the industry. Their products are used in a wide range of applications, from consumer electronics to automotive systems.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#86 in Saitama 343-0827

#5,045 in Japan

Saitama, Japan

H-One Co., Ltd.

Forward Citations = 27

20 inventors:

Hisaharu Kato (2 out of 2 patents)

Daisuke Toyoda (2 out of 3 patents)

Hiroyuki Takebe (2 out of 4 patents)

4. Saburo Inoue (2 out of 13 patents)

5. Fumihiko Kikuchi (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: H-One Co., Ltd.. Retrieved from https://idiyas.com/company/h-one-company

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]

6 patents (EPO):

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]