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Mutsuo Takenaga

This inventor holds 9 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mutsuo Takenaga. Retrieved from https://idiyas.com/inventor/mutsuo-takenaga

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 175(Granted Patents)

Location History:

Katano, JA (1976 - 1978)
Kadoma, JP (1982)
Katano, JP (1981 - 1983)
Osaka, JP (1986 - 1990)

Company Filing History:

9 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 1976-1990

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4935336 - Optical recording medium (1990-06-19),

2. 4659588 - Method of producing optical recording medium (1987-04-21),

3. 4569038 - Optical disk, high density optical disk system, and high density (1986-02-04),

4. 4383029 - Recording medium and recording system (1983-05-10),

5. 4322839 - Method and apparatus for recording and reproducing information on and (1982-03-30),

6. 4290909 - Process for producing a lithium borate thermoluminescent and fluorescent (1981-09-22),

7. 4248731 - Thermoluminescent material (1981-02-03),

8. 4091171 - Optical information storage material and method of making it (1978-05-23),

9. 3971874 - Optical information storage material and method of making it (1976-07-27),

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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