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For the Inventor, By the Inventor

Osaka, Japan

Haruo Sugiyama


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 44

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3 inventors (with patents filed for the assignee):

goldMedal Haruo Sugiyama (3 out of 69 patents)

silverMedal Yusuke Oji (2 out of 7 patents)

bronzeMedal Yoshihiro Oka (1 out of 6 patents)


3 patents:

1. 8603997 - siRNA that inhibits WT1 gene expression and uses thereof (2013-12-10),
2. 8299234 - siRNA hat inhibits WT1 gene expression and uses thereof (2012-10-30),
3. 7030212 - Tumor antigen based on products of the tumor suppressor gene WT1 (2006-04-18),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#952 in Osaka

#8,929 in Japan

Osaka, JP
Osaka, Japan

Haruo Sugiyama

Forward Citations = 44

3 inventors:

goldMedal Haruo Sugiyama (3 out of 69 patents)

silverMedal Yusuke Oji (2 out of 7 patents)

bronzeMedal Yoshihiro Oka (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haruo Sugiyama. Retrieved from https://idiyas.com/company/haruo-sugiyama

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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