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For the Inventor, By the Inventor

Hong Kong, undefined

Hi-Control Ltd.


USPTO Granted Patents = 3

Forward Citations = 24

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2 inventors (with patents filed for the assignee):

goldMedal Motokazu Yamamoto (2 out of 4 patents)

silverMedal Akira Fujimori (1 out of 33 patents)


3 patents:

1. 5096464 - Process for preparing an abrasive sheet (1992-03-17),
2. 4835052 - Abrasive sheet with the surface of the abrasive particles cleaned and (1989-05-30),
3. 4751797 - Abrasive sheet and method of preparation (1988-06-21),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#1 in Hong Kong

#4,372 in HW

Hong Kong, HW
Hong Kong, undefined

Hi-Control Ltd.

Forward Citations = 24

2 inventors:

goldMedal Motokazu Yamamoto (2 out of 4 patents)

silverMedal Akira Fujimori (1 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hi-Control Ltd.. Retrieved from https://idiyas.com/company/hi-control

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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