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Kanji Kayanuma

This inventor holds 17 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1977-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kanji Kayanuma. Retrieved from https://idiyas.com/inventor/kanji-kayanuma

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 12

Forward Citations = 498(Granted Patents)

Location History:

Yokohama, JA (1977)
Yokohama, JP (1978 - 1979)
Kanagawa, JP (1987)
Hatano, JP (1987 - 1991)
Hadano, JP (1981 - 2000)

Company Filing History:

17 out of 2,887

Victor Company of Japan, Limited

Years Active: 1977-2000

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6160782 - Holographic storage medium and reproduction of data therefrom (2000-12-12),

2. 6083667 - Optical recording medium (2000-07-04),

3. 5930217 - Optical information recording/reproducing system, optical information (1999-07-27),

4. 5809545 - Optical disc for a master key, and a method and apparatus for (1998-09-15),

5. 5790745 - Variable transfer rate control coding apparatus, reproducing apparatus (1998-08-04),

6. 5781526 - Optical recording medium having a disc with deformed pits (1998-07-14),

7. 5696757 - Optical disc, device for checking optical disc and device for recording (1997-12-09),

8. 5617408 - Optical recording medium having a disc with deformed pits (1997-04-01),

9. 5572507 - Optical disc, device for checking optical disc, and device for recording (1996-11-05),

10. 5006703 - Reflective optical rotary encoder disc (1991-04-09),

11. 4695162 - Film thickness measuring apparatus (1987-09-22),

12. 4653924 - Rotating analyzer type ellipsometer (1987-03-31),

13. 4340907 - Special reproducing system in an apparatus for reproducing video signals (1982-07-20),

14. 4247741 - Reproducing transducer feeding device in a rotary recording medium (1981-01-27),

15. 4162398 - Bias control circuit for light modulators (1979-07-24),

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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