Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10986156 | Quality prediction apparatus, quality prediction method and program | Takafumi OKUYAMA, Seishou Yasukawa, Kenichi Endou | 2021-04-20 |
| 8899968 | Combustible gas processing system and combustible gas processing method | Kenji Seki, Hirofumi Ohtsuka, Etsuo Shito, Katsuhiko Hirao | 2014-12-02 |
| 7820037 | Desulfurizing agent manufacturing method and hydrocarbon desulfurization method | Shin-ichi Nagase, Susumu Takami, Osamu Okada | 2010-10-26 |
| 7371706 | Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas | Hirofumi Ohtsuka, Takeshi Tabata, Takatoshi Nakahira, Takenori Hirano | 2008-05-13 |
| 7325832 | Roll bar structure of vehicle | Kenjiro Miki, Takayuki Kimura, Takashi Ebisugi, Yukari Fujii | 2008-02-05 |
| 6887446 | Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas | Hirofumi Ohtsuka, Takeshi Tabata, Takatoshi Nakahira, Takenori Hirano | 2005-05-03 |
| 6602481 | Catalyst for removing hydrocarbons from exhaust gas and method for clarification of exhaust gas | Hirofumi Ohtsuka, Takeshi Tabata, Takatoshi Nakahira, Takenori Hirano | 2003-08-05 |
| 6042798 | Method of desulfurization of hydrocarbons | Osamu Okada, Takeshi Tabata, Yasuhiro Hirai, Hiroki Fujita | 2000-03-28 |
| 5302470 | Fuel cell power generation system | Osamu Okada, Takeshi Tabata, Susumu Takami, Masamichi Ippommatsu | 1994-04-12 |
| 5124140 | Process for steam reforming of hydrocarbons | Osamu Okada, Takeshi Tabata | 1992-06-23 |