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For the Inventor, By the Inventor

Aichi, Japan

Ihara Co., Ltd.

Calculating rank
USPTO Granted Patents = 3

% Expired Patents = 66.7


Forward Citations = 4

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6 inventors (with patents filed for the assignee):

goldMedal Nobuhiro Nagai (2 out of 2 patents)

silverMedal Ryoseki Ihara (1 out of 5 patents)

bronzeMedal Yuji Suzuta (1 out of 1 patent)

4.  Hiroyuki Amano (1 out of 35 patents)

5.  Shuji Yunoki (1 out of 1 patent)

6.  Shunji Yunoki (1 out of 1 patent)


3 patents:

1. 11332367 - Hydrogen producing apparatus, method for separating solid product and system for discharging and recycling solid product (2022-05-17),
2. 8389010 - Stretchable collagen material and manufacturing method and use thereof (2013-03-05),
3. 8105629 - Collagen gel and process of producing the same (2012-01-31),
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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#209 in Aichi

#8,938 in Japan

Aichi, JP
Aichi, Japan

Ihara Co., Ltd.

Forward Citations = 4

6 inventors:

goldMedal Nobuhiro Nagai (2 out of 2 patents)

silverMedal Ryoseki Ihara (1 out of 5 patents)

bronzeMedal Yuji Suzuta (1 out of 1 patent)

4.  Hiroyuki Amano (1 out of 35 patents)

5.  Shuji Yunoki (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ihara Co., Ltd.. Retrieved from https://idiyas.com/company/ihara-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]
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