Inventor · disambiguated record
Tsutomu Hatsugai
Also filed as: HATSUGAI TSUTOMU
8 granted patents·254 citations·filing 1998–2009
88Inventor score
Top patents by PatentIndex Score
8 records- 0195US6362533B1Engine generator unitHONDA MOTOR CO LTD·Filed 2000·Granted Mar 26, 2002·106 cites·6 claims
- 0294US6489690B1Portable engine generator having a fan cover with heat radiating surfaceHONDA MOTOR CO LTD·Filed 2000·Granted Dec 3, 2002·77 cites·10 claims
- 0383US8205581B2Engine driven power generatorHATSUGAI TSUTOMU·Filed 2009·Granted Jun 26, 2012·13 cites·3 claims
- 0479US7618239B2Multi-blade fan for air-cooled engineHONDA MOTOR CO LTD·Filed 2006·Granted Nov 17, 2009·11 cites·7 claims
- 0578US8093732B2Engine-driven power generator with gas-liquid separation unitHATSUGAI TSUTOMU·Filed 2009·Granted Jan 10, 2012·10 cites·2 claims
- 0670US6067945AEngine generatorSAWAFUJI ELECTRIC CO LTD·Filed 1998·Granted May 30, 2000·25 cites·5 claims
- 0764US7314679B2Air supply apparatus for a fuel cellHONDA MOTOR CO LTD·Filed 2004·Granted Jan 1, 2008·10 cites·6 claims
- 0854US7399548B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2004·Granted Jul 15, 2008·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →