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Tsutomu Hatsugai

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 165(Granted Patents)

Location History:

Asaka, JP (2008)
Wako, JP (2000 - 2012)
Saitama, JP (2012)

Company Filing History:

5 out of 21,927

Honda Motor Co., Ltd.

3 out of 10,092

Honda Giken Kogyo Kabushiki Kaisha

Sawafuji Electric Co., Ltd.

where one patent can have more than one assignee

Years Active: 2000-2012

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8205581 - Engine driven power generator (2012-06-26),

2. 8093732 - Engine-driven power generator with gas-liquid separation unit (2012-01-10),

3. 7618239 - Multi-blade fan for air-cooled engine (2009-11-17),

4. 7399548 - Fuel cell stack (2008-07-15),

5. 7314679 - Air supply apparatus for a fuel cell (2008-01-01),

6. 6489690 - Portable engine generator having a fan cover with heat radiating surface (2002-12-03),

7. 6362533 - Engine generator unit (2002-03-26),

8. 6067945 - Engine generator (2000-05-30),

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