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For the Inventor, By the Inventor

Ohira, Japan

Shigeya Kawaminami

USPTO Granted Patents = 6

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:

goldMedal5 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 832,680 
Other
 patents

Years Active: 1993-2005

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6 patents (USPTO):Explore 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),

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