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Shigeya Kawaminami

This inventor holds 6 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 1993-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeya Kawaminami. Retrieved from https://idiyas.com/inventor/shigeya-kawaminami

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

USPTO Granted Patents = 6

% Patents Active = 50.0

Average Co-Inventor Count = 6.2

ph-index = 5

Forward Citations = 50(Granted Patents)

Location History:

Tochigi, JP (1993 - 1994)
Oohira, JP (2002)
Ohira, JP (2003 - 2005)

Company Filing History:

5 out of 42,731

1 out of 834,513

Other

patents

Years Active: 1993-2005

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6838798 - Permanent magnet type rotating electric machine (2005-01-04),

2. 6552461 - Permanent magnet type rotating electric machine (2003-04-22),

3. 6496339 - Electric power supply device and equipment using thereof (2002-12-17),

4. 6336336 - Rotary piston compressor and refrigerating equipment (2002-01-08),

5. 5304045 - Closed type motor-driven compressor, a scroll compressor and a scroll (1994-04-19),

6. 5184269 - Overload protective device (1993-02-02),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and 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]

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