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Yokohama, Japan

Toshio Yamanaka

This inventor holds 6 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1994-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Yamanaka. Retrieved from https://idiyas.com/inventor/toshio-yamanaka-sp7h64cs

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

Calculating rank

USPTO Granted Patents = 6

% Patents Active = 66.7

Average Co-Inventor Count = 5.6

ph-index = 4

Forward Citations = 44(Granted Patents)

Company Filing History:

6 out of 42,743

Years Active: 1994-2015

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8967927 - Machine tool (2015-03-03),

2. 6478558 - Oscillating piston type compressor and method of manufacturing piston thereof (2002-11-12),

3. 6358028 - Scroll compressor (2002-03-19),

4. 6106252 - Scroll compressor (2000-08-22),

5. 5314317 - Method of working scroll member of scroll compressor (1994-05-24),

6. 5304045 - Closed type motor-driven compressor, a scroll compressor and a scroll (1994-04-19),

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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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