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For the Inventor, By the Inventor

Hamamatsu, Japan

Yasuhiko Kamoshita

This inventor holds 10 USPTO granted patents. Top assignees: Nippon Gakki Seizo Kabushiki Kaisha, Yamaha Corporation. Active years: 1987-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Kamoshita. Retrieved from https://idiyas.com/inventor/yasuhiko-kamoshita

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 99(Granted Patents)


Company Filing History:

goldMedal8 out of 841 
 
Nippon Gakki Seizo Kabushiki Kaisha
 patents
silverMedal2 out of 5,509 
 
Yamaha Corporation
 patents

Years Active: 1987-1993

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10 patents (USPTO):Explore Patents
1. 5204853 - Adaptor for a disc cartridge case (1993-04-20),
2. 5142523 - Disc playback device (1992-08-25),
3. 4777631 - Loading system for a disc cartridge case housing a disc in a disc (1988-10-11),
4. 4739428 - Clamping device for a holder of a disc playback device (1988-04-19),
5. 4730300 - Disc centering device for a disc playback device (1988-03-08),
6. 4730299 - Device for preventing vibration of a disc motor shaft in a disc playback (1988-03-08),
7. 4730296 - Loading device in a disc playback device (1988-03-08),
8. 4686665 - Mode switching device in a disc playback device (1987-08-11),
9. 4679182 - Disc playback device (1987-07-07),
10. 4646285 - Shutter plate control device in a disc playback device (1987-02-24),
Profile summary based on public USPTO records.
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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