Hatsugai; Tsutomu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hatsugai; Tsutomu.The latest application filed is for "engine-driven power generator".
- Hatsugai; Tsutomu - Saitama JP
- Hatsugai; Tsutomu - Wako JP
- Hatsugai; Tsutomu - Wako-shi JP
- Hatsugai; Tsutomu - Asaka JP
- Hatsugai, Tsutomu - Asaka-shi JP
| Patent | Date |
|---|---|
| Engine driven power generator Grant 8,205,581 - Hatsugai , et al. June 26, 2 | 2012-06-26 |
| Engine-driven power generator with gas-liquid separation unit Grant 8,093,732 - Hatsugai , et al. January 10, 2 | 2012-01-10 |
| Multi-blade fan for air-cooled engine Grant 7,618,239 - Hatsugai , et al. November 17, 2 | 2009-11-17 |
| Engine-driven Power Generator App 20090230697 - Hatsugai; Tsutomu ; et al. | 2009-09-17 |
| Engine-driven Power Generator App 20090229544 - HATSUGAI; Tsutomu ; et al. | 2009-09-17 |
| Fuel cell stack Grant 7,399,548 - Okazaki , et al. July 15, 2 | 2008-07-15 |
| Air supply apparatus for a fuel cell Grant 7,314,679 - Hatsugai , et al. January 1, 2 | 2008-01-01 |
| Multi-blade fan for air-cooled engine App 20060275123 - Hatsugai; Tsutomu ; et al. | 2006-12-07 |
| Air supply apparatus for a fuel cell App 20050014047 - Hatsugai, Tsutomu ; et al. | 2005-01-20 |
| Fuel cell stack App 20040209140 - Okazaki, Koji ; et al. | 2004-10-21 |
| Portable engine generator having a fan cover with heat radiating surface Grant 6,489,690 - Hatsugai , et al. December 3, 2 | 2002-12-03 |
| Engine generator unit Grant 6,362,533 - Morohoshi , et al. March 26, 2 | 2002-03-26 |
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