Kaoru Morinaga

This inventor holds 12 USPTO granted patents. Top assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 1982-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Morinaga. Retrieved from https://idiyas.com/inventor/kaoru-morinaga

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 159(Granted Patents)

Company Filing History:

8 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

4 out of 53,262

Kabushiki Kaisha Toshiba

patents

Years Active: 1982-1990

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4941140 - Optical disc player (1990-07-10),

2. 4914647 - Optical disc player (1990-04-03),

3. 4890276 - Optical disc player (1989-12-26),

4. 4734898 - Autochanger type disc player (1988-03-29),

5. 4646187 - Cassette tape recorder (1987-02-24),

6. 4625251 - Tape recorder (1986-11-25),

7. 4562497 - Tape drive spindle (1985-12-31),

8. 4542430 - Tape recorder (1985-09-17),

9. 4509157 - Disc player apparatus with an improved disc clamper (1985-04-02),

10. 4499573 - Disc rotating apparatus (1985-02-12),

11. 4443745 - Rotation signal detection device of DC motor with brushes (1984-04-17),

12. 4330801 - Tape recorder (1982-05-18),

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]