Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9069917 | Component fracture evaluation device, component fracture evaluation method and computer program | — | 2015-06-30 |
| 8776564 | Impact treatment method for improving fatigue characteristics of welded joint, impact treatment device for improving fatigue characteristics for same, and welded structure superior in fatigue resistance characteristics | Tetsuro Nose | 2014-07-15 |
| 7829202 | Large-heat-input butt welded joints having excellent brittle fracture resistance | Tadashi Ishikawa, Takehiro Inoue, Tadashi Koseki, Jun Otani, Masanori Minagawa +1 more | 2010-11-09 |
| 7748596 | Welded structure having excellent resistance to brittle crack propagation and welding method therefor | Tadashi Ishikawa, Takehiro Inoue, Tadashi Koseki | 2010-07-06 |
| 7547481 | Fuel-circulating fuel cell system | Tatsuya Sugawara | 2009-06-16 |
| 7531257 | Fuel cell system programmed to control reactant gas flow in a gas circulation path | Tatsuya Sugawara, Kouji Miyano | 2009-05-12 |
| 7470479 | Method and apparatus for warming-up fuel cell and fuel cell vehicle | Tomoki Kobayashi, Takuma Kanazawa, Yoshio Nuiya | 2008-12-30 |
| 7087328 | Fuel cell system and humidification method | Toshikatsu Katagiri, Yoshio Kusano, Motohiro Suzuki | 2006-08-08 |
| 6953635 | Humidifier for fuel cell | Motohiro Suzuki, Toshikatsu Katagiri, Yoshio Kusano | 2005-10-11 |
| 6939629 | Humidifying system for a fuel cell | Toshikatsu Katagiri, Motohiro Suzuki | 2005-09-06 |
| 6936359 | Apparatus for warming-up fuel cell | Tomoki Kobayashi, Takuma Kanazawa, Yoshio Nuiya | 2005-08-30 |
| 6872484 | Humidifying system for a fuel cell | Toshikatsu Katagiri, Motohiro Suzuki | 2005-03-29 |
| 6808832 | Fuel cell humidifying system | Motohiro Suzuki, Toshikatsu Katagiri, Yoshio Kusano | 2004-10-26 |
| 6805988 | Humidifying apparatus for fuel cell | Kouji Katano, Yoshio Kusano, Toshikatsu Katagiri | 2004-10-19 |
| 6777121 | Fuel cell system and gas/liquid separation method for the same | Toshikatsu Katagiri | 2004-08-17 |
| 6755399 | Humidifier | Toshikatsu Katagiri, Yoshio Kusano, Motohiro Suzuki | 2004-06-29 |
| 6740432 | Fuel cell system and method for regulating liquid fuel for the same | Toshikatsu Katagiri | 2004-05-25 |
| 6713204 | Fuel cell system | Yoshio Kusano, Toshikatsu Katagiri, Motohiro Suzuki | 2004-03-30 |
| 6696192 | Fuel cell system | Yasushi Kanai, Hideo Okamoto, Kouji Kurosaki, Tomoki Kobayashi | 2004-02-24 |
| 6669177 | Humidifying module | Toshikatsu Katagiri, Motohiro Suzuki, Yoshio Kusano | 2003-12-30 |
| 6659433 | Humidifier | Yoshio Kusano, Toshikatsu Katagiri, Motohiro Suziki | 2003-12-09 |
| 6656620 | Humidification system for a fuel cell | Toshikatsu Katagiri, Motohiro Suzuki, Yoshio Kusano | 2003-12-02 |
| 6653012 | Humidifier | Motohiro Suzuki, Toshikatsu Katagiri, Yoshio Kusano | 2003-11-25 |
| 6638651 | Humidifying system for fuel cell | Toshikatsu Katagiri, Motohiro Suzuki, Yoshio Kusano | 2003-10-28 |
| 6596429 | Fuel cell system | Yoshio Kusano, Toshikatsu Katagiri, Motohiro Suzuki | 2003-07-22 |