Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009559 | Leakage current calculation method | Takuya Fukudome, Tsuyoshi Takeuchi, Tomohiro Yamada | 2021-05-18 |
| 8484952 | Device for purification of exhaust gas | Yuji Sakakibara, Yoshihiko Itoh, Kouzi Banno, Hirohito Hirata, Masaru Kakinohana +1 more | 2013-07-16 |
| 8475921 | Composite material, composite material substrate, composite material dispersed fluid, and manufacturing methods thereof | Tomoyuki Kayama, Kouzi Banno, Kiyoshi Yamazaki | 2013-07-02 |
| D680855 | Cord lock | Yumiko Kadoishi, Keisuke Fujita | 2013-04-30 |
| 8294576 | Infrared sensor switch | Makiko Matsuoka, Tomohiro Ieki, Hajime Yabu, Susumu Nakano, Kei Miura | 2012-10-23 |
| D652710 | Cord adjuster | Yumiko Kadoishi | 2012-01-24 |
| D630502 | Cord lock | Taiyo Ishii | 2011-01-11 |
| D630090 | Cord lock | Taiyo Ishii | 2011-01-04 |
| 6133185 | Exhaust gas purifying catalyst | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Naoto Suzuki, Takehisa Yaegashi +3 more | 2000-10-17 |
| 5975758 | Method and sensor for detecting thermal history | Yoshimi Kizaki, Yoshiyuki Sakamoto, Tomoyoshi Motohiro | 1999-11-02 |
| 5804152 | Method for purifying exhaust gases | Naoto Miyoshi, Hiromasa Suzuki, Osamu Ogawa, Mareo Kimura, Yuzo Kawai +2 more | 1998-09-08 |
| 5795992 | Method of testing durability of exhaust gas purification device | Toshio Tanahashi, Masakatsu Sanada, Hiroyuki Domyo, Hiroshi Hirayama, Kazuaki Sobue +4 more | 1998-08-18 |
| 5783160 | Method for purifying combustion exhaust gas | Yukio Kinugasa, Kouhei Igarashi, Takaaki Itou, Toshifumi Takaoka, Michihiro Ohashi | 1998-07-21 |
| 5722238 | Device for evaluating catalyst performance deterioration | Toshio Tanahashi, Masakatsu Sanada, Shinichi Matsunaga, Hideo Sobukawa, Ichiro Konomi +1 more | 1998-03-03 |
| 5698988 | Method and device of detecting a deterioration | Tomoyoshi Motohiro, Yoshiyuki Sakamoto | 1997-12-16 |
| 5575983 | Catalyst for purifying exhaust gases and process for purifying exhaust gases | Hiromasa Suzuki, Tomoko Iijima, Tadashi Suzuki, Koichi Kasahara, Syuji Tateishi | 1996-11-19 |
| 5543124 | Process for reducing nitrogen oxides | Masayuki Fukui, Toshiyuki Tanaka | 1996-08-06 |
| 5474745 | Catalytic converter for purifying exhaust gas | Masayuki Fukui, Yutaka Yokoi, Yujiro Oshima | 1995-12-12 |
| 5441401 | Method of decreasing nitrogen oxides in combustion device which performs continuous combustion, and apparatus therefor | Akira Yamaguro, Shigenori Haramura, Naoki Minamoto, Yujiro Oshima, Hideaki Muraki +2 more | 1995-08-15 |
| 5433933 | Method of purifying oxygen-excess exhaust gas | Akinori Eshita, Senshi Kasahara, Shinichi Matsumoto, Kazunobu Ishibashi, Shiroh Kondoh | 1995-07-18 |
| 5412946 | NOx decreasing apparatus for an internal combustion engine | Yujiro Oshima, Hideaki Muraki, Kiyoshi Nakanishi | 1995-05-09 |
| 5352337 | Method for reducing nitrogen oxides | Tetsuro Kobayashi, Kazuo Kawahara, Katsushi Abe, Kiyoshi Yamazaki, Tomoko Iijima +2 more | 1994-10-04 |
| 5272871 | Method and apparatus for reducing nitrogen oxides from internal combustion engine | Yujiro Oshima, Katsushi Abe, Kazuo Kawahara, Hideaki Muraki, Masayuki Fukui | 1993-12-28 |
| 5270024 | Process for reducing nitrogen oxides from exhaust gas | Senshi Kasahara, Katsumi Kamiyama, Kazushige Igawa, Shinichi Matsumoto, Masayuki Fukui +5 more | 1993-12-14 |
| 4617794 | Exhaust gas purifying method and apparatus for internal combustion engines | Yoshiyasu Fujitani, Hideaki Muraki, Hideo Sobukawa, Shinichi Matsunaga | 1986-10-21 |