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Kamakura, Japan

Yoshichi Ohtake

This inventor holds 7 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1982-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshichi Ohtake. Retrieved from https://idiyas.com/inventor/yoshichi-ohtake

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

Calculating rank

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 63(Granted Patents)

Location History:

Yokohama, JP (1984)
Kamakura, JP (1982 - 1995)

Company Filing History:

Victor Company of Japan, Limited

Years Active: 1982-1995

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5416519 - Image pickup apparatus with zooming function (1995-05-16),

2. 4903135 - Automatic focusing system (1990-02-20),

3. 4840470 - Drive control of zoom lens in zooming system (1989-06-20),

4. 4472735 - Optical low-pass filter (1984-09-18),

5. 4445136 - Television camera having an optical lowpass filter (1984-04-24),

6. 4432626 - Single-lens reflex type viewfinder and method of adjusting the same (1984-02-21),

7. 4318133 - Simplified type television camera (1982-03-02),

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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