Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645439 | Exhaust gas clean-up catalyst | Geng Zhang, Tomotaka Hirota, Yasunori Kurashima | 2003-11-11 |
| 6010673 | Method for purifying exhaust gas | Takaaki Kanazawa, Shinichi Matsumoto, Satoshi Iguchi, Kenji Katoh, Toshiaki Tanaka +4 more | 2000-01-04 |
| 5951956 | Catalyst for purifying exhaust gas and method for purifying exhaust gas | Motohisa Saiki, Mariko Adachi, Shinichi Matsumoto, Takaaki Kanazawa, Kenji Katoh +4 more | 1999-09-14 |
| 5441401 | Method of decreasing nitrogen oxides in combustion device which performs continuous combustion, and apparatus therefor | Akira Yamaguro, Shigenori Haramura, Naoki Minamoto, Yujiro Oshima, Katsushi Abe +2 more | 1995-08-15 |
| 5412946 | NOx decreasing apparatus for an internal combustion engine | Yujiro Oshima, Koji Yokota, Kiyoshi Nakanishi | 1995-05-09 |
| 5412945 | Exhaust purification device of an internal combustion engine | Kenji Katoh, Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi +1 more | 1995-05-09 |
| 5294421 | Method for catalytically purifying exhaust gas | Tokuta Inoue, Kiyohiko Oishi, Kenji Katoh | 1994-03-15 |
| 5272871 | Method and apparatus for reducing nitrogen oxides from internal combustion engine | Yujiro Oshima, Katsushi Abe, Kazuo Kawahara, Koji Yokota, Masayuki Fukui | 1993-12-28 |
| 5155994 | Exhaust gas purification system for an internal combustion engine | Kiyohiko Oishi, Kenji Katoh, Shinichi Takeshima | 1992-10-20 |
| 5154902 | Exhaust gas purifying catalyst and exhaust gas purifying process | Tomoyuki Inui, Shiroh Kondoh, Akio Isogai, Shinichi Matsumoto | 1992-10-13 |
| 5041270 | Method of purifying exhaust gases | Yoshiyasu Fujitani, Shiroh Kondoh, Masayuki Fukui | 1991-08-20 |
| 4957710 | Catalytic combustion type exhaust gas processing device and drying furnace for use in coating utilizing the same | Teizi Nagai, Yasuo Tokushima, Sadao Kubota, Kenichirou Suzuki, Yoshiyasu Fujitani +2 more | 1990-09-18 |
| 4843056 | Exhaust gas purifying catalyst and process for producing the same | Shinichi Matsumoto, Naoto Miyoshi, Hideo Sobukawa, Masayuki Fukui, Mareo Kimura +1 more | 1989-06-27 |
| 4801620 | Catalyst for hydrocarbon synthesis | Yoshiyasu Fujitani, Shiroh Kondoh | 1989-01-31 |
| 4661329 | Catalyst for oxidizing an offensively smelling substance and a method of removing an offensively smelling substance | Kenichirou Suzuki, Yoshiyasu Fujitani, Taisuke Yoshimoto | 1987-04-28 |
| 4617794 | Exhaust gas purifying method and apparatus for internal combustion engines | Yoshiyasu Fujitani, Koji Yokota, Hideo Sobukawa, Shinichi Matsunaga | 1986-10-21 |
| 4574264 | Thin film oxygen sensor with microheater | Hideaki Takahashi, Haruyoshi Kondo, Takashi Takeuchi, Kiyoharu Hayakawa | 1986-03-04 |
| 4367162 | Catalyst for purifying exhaust gases and a method for producing the catalyst | Yoshiyasu Fujitani, Shiroh Kondoh, Makoto Tomita, Tamotsu Nakamura, Kouji Yokota +1 more | 1983-01-04 |
| 4367166 | Steam reforming catalyst and a method of preparing the same | Yoshiyasu Fujitani, Makoto Tomita, Hideo Sobukawa, Masayuki Fukui | 1983-01-04 |
| 4345555 | Self-heating ignition plug | Yujiro Oshima, Yoshiyasu Fujitani, Shiroh Kondoh, Kouji Yokota | 1982-08-24 |
| 4316822 | Catalyst for purifying exhaust gases | Yoshiyasu Fujitani, Shiroh Kondoh, Makoto Tomita, Kouji Yokota, Hideo Sobukawa +1 more | 1982-02-23 |
| 4299734 | Catalyst for purifying exhaust gases and method for producing same | Yoshiyasu Fujitani, Shiroh Kondoh, Makoto Tomita, Kouji Yokota, Hideo Sobukawa | 1981-11-10 |
| 4239656 | Catalyst for purifying exhaust gases and carrier for the catalyst | Yoshiyasu Fujitani, Shiroh Kondoh, Kouji Yokota | 1980-12-16 |