Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914937 | Fuel cell and fuel cell stack | Tadashi Tsunoda | 2011-03-29 |
| 7651809 | Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surface | Hiroki Homma | 2010-01-26 |
| 7625657 | Fuel cell and fuel cell stack | Tadashi Tsunoda | 2009-12-01 |
| 7601453 | Fuel cell and fuel cell stack | Tadashi Tsunoda, Nozomu Yamaguchi, Koji Dan | 2009-10-13 |
| 7544432 | Fuel cell and fuel cell stack | Hiroki Homma, Koji Dan | 2009-06-09 |
| 7491460 | Fuel cell and fuel cell stack | Hiroki Homma | 2009-02-17 |
| 7482087 | Fuel cell | Hiroki Homma | 2009-01-27 |
| 6537028 | Diffuser arrangement for centrifugal compressors | Eiichi Hirose | 2003-03-25 |
| 6011270 | Far infrared rays radiation device | — | 2000-01-04 |
| 5855112 | Gas turbine engine with recuperator | Takashi Bannai, Tsuneo Endou, Ken Ohya | 1999-01-05 |
| 4622077 | Method of cleaning the inside of a room | — | 1986-11-11 |
| 4501121 | Method of heat exchange and refrigerating devices | — | 1985-02-26 |
| 4501130 | Refrigerating device | — | 1985-02-26 |
| 4295343 | Microbe-removing and air-conditioning apparatus | — | 1981-10-20 |