This inventor holds 2 USPTO granted patents. Top assignees: Matsushita Electric Works, Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 1977-1985.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Yamada. Retrieved from https://idiyas.com/inventor/kiyoshi-yamada-colcu0wq
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 100.0
Average Co-Inventor Count = 2.7
ph-index = 2
Forward Citations = 108(Granted Patents)
Location History:
- Hirakata, JA (1977)
- Mie, JP (1985)
Company Filing History:

Matsushita Electric Works, Ltd.

Matsushita Electric Industrial Co., Ltd.
where one patent can have more than one assignee
Years Active: 1977-1985
Loading Chart...
2 patents (USPTO):Explore Patents
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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Yamada. Retrieved from https://idiyas.com/inventor/kiyoshi-yamada-colcu0wq
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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]
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]
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]
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]
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]