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Masafumi Yoshida

This inventor holds 7 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1976-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Yoshida. Retrieved from https://idiyas.com/inventor/masafumi-yoshida-xod7a49o

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 = 2.3

ph-index = 5

Forward Citations = 180(Granted Patents)

Location History:

Iwaki, JA (1976 - 1978)
Iwaki, JP (1979 - 1983)

Company Filing History:

Kureha Kagaku Kogyo Kabushiki Kaisha

Years Active: 1976-1983

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4389445 - Data recording sheet (1983-06-21),

2. 4137475 - Thin film, thermoplastic piezoelectric switches (1979-01-30),

3. 4071785 - Laminated piezoelectric matrix switch (1978-01-31),

4. 4057660 - Method for producing thermoplastic film electric element (1977-11-08),

5. 3969927 - Vibration measuring and the apparatus therefor (1976-07-20),

6. 3935485 - Piezoelectric key board switch (1976-01-27),

7. 3933547 - Method for fixing a pattern described on the surface of thermoplastic (1976-01-20),

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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