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For the Inventor, By the Inventor

Tokyo, Japan

Affinity Co, Ltd.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 45

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1 inventor (with patents filed for the assignee):

goldMedal Haruo Watanabe (3 out of 64 patents)


3 patents:

1. 7163726 - Laminate-controlling light autonomously and window using the same (2007-01-16),
2. 6020989 - Laminated bodies and windows using them (2000-02-01),
3. 5615040 - Self-responding laminated bodies, their production process and windows (1997-03-25),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#3,543 in Tokyo

#8,922 in Japan

Tokyo, JP
Tokyo, Japan

Affinity Co, Ltd.

Forward Citations = 45

1 inventor:

goldMedal Haruo Watanabe (3 out of 64 patents)

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