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Ryuichiro Kuga

This inventor holds 10 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1986-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichiro Kuga. Retrieved from https://idiyas.com/inventor/ryuichiro-kuga

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 137(Granted Patents)

Location History:

Katano, JP (1986 - 1991)
Ikoma, JP (1993)

Company Filing History:

10 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 1986-1993

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5227889 - Image slant compensatable video camera (1993-07-13),

2. 5077613 - Video camera with automatic focusing function (1991-12-31),

3. 4991944 - Zoom lens driving apparatus (1991-02-12),

4. 4975726 - Automatic focusing apparatus (1990-12-04),

5. 4924317 - Video camera with an automatic focusing system (1990-05-08),

6. 4850692 - Semiconductor light position detector for rangefinder (1989-07-25),

7. 4849813 - Video camera with high-speed scanning (1989-07-18),

8. 4758764 - Light-emitting device for automatic focus adjustment apparatus (1988-07-19),

9. 4673274 - Automatic focusing apparatus for camera (1987-06-16),

10. 4621292 - Automatic focusing device for a video camera (1986-11-04),

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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