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Masahiro Matsumura

This inventor holds 7 USPTO granted patents. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1983-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Matsumura. Retrieved from https://idiyas.com/inventor/masahiro-matsumura

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 = 4.3

ph-index = 4

Forward Citations = 49(Granted Patents)

Location History:

Osaka, JP (1992)
Katano, JP (1983 - 1997)
Kadoma, JP (1987 - 2001)

Company Filing History:

Matsushita Electric Works, Ltd.

Years Active: 1983-2001

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6231959 - Prepreg of epoxy resin, hardener, and organodialkyurea promotor (2001-05-15),

2. 5633042 - Process for manufacturing prepregs for use as electric insulating (1997-05-27),

3. 5585147 - Process for a surface treatment of a glass fabric (1996-12-17),

4. 5136015 - Addition type imide resin prepolymer, manufacturing method thereof, (1992-08-04),

5. 5112989 - Process for producing unsaturated mono and dicarboxylic acid imide (1992-05-12),

6. 4680377 - Polyimide prepolymer composition from unsaturated bisimide and diamine (1987-07-14),

7. 4399257 - Epoxy resin composition (1983-08-16),

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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