Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807528 | Catalyst for purifying exhaust gas | Masao Nakano, Akinori Eshita | 1998-09-15 |
| 5695728 | Method for removal of nitrogen oxides | Hiroshi Miura, Senshi Kasahara, Hidekazu Aoyama | 1997-12-09 |
| 5449504 | Process for removing nitrogen oxides from oxygen rich exhaust gas | Senshi Kasahara, Shunji Inoue, Kazuo Sekitani, Hiroshi Miura, Hironobu Hosose +1 more | 1995-09-12 |
| 5443803 | Catalyst for purifying exhaust gas | Tatsuji Mizuno, Shinichi Takeshima, Senshi Kasahara | 1995-08-22 |
| 5427753 | Process for removing nitrogen oxides from oxygen rich exhaust gas | Hiroshi Miura, Senshi Kasahara, Hidekazu Aoyama, Shoji Adachi | 1995-06-27 |
| 5382416 | Method for purifying exhaust gas | Masao Nakano, Akinori Eshita | 1995-01-17 |
| 5374409 | Purifying gases with an alkali metal and transition metal containing zeolite | Senshi Kasahara, Shuji Okazaki | 1994-12-20 |
| 5236879 | Catalyst for purifying exhaust gas | Shunji Inoue, Senshi Kasahara | 1993-08-17 |
| 5208198 | Catalyst for purifying exhaust gas | Masao Nakano, Akinori Eshita | 1993-05-04 |
| 5206196 | Catalyst for purifying exhaust gas | Masao Nakano, Akinori Eshita | 1993-04-27 |
| 5149877 | Process for producing alkylenamine | Yasushi Hara, Yukio Ito | 1992-09-22 |
| 5073649 | Process for producing a polyalkylene polyamine | Yasushi Hara, Nobumasa Suzuki, Yukio Ito | 1991-12-17 |
| 5001289 | Shaped zeolite catalyst for liquid phase organic reactions | Masao Nakano, Toshio Hironaka, Kiyotaka Oyama, Seiichi Asano | 1991-03-19 |
| 4982003 | Mixed oxide catalyst and process for producing an alkylenamine by using the catalyst | Yasushi Hara, Nobumasa Suzuki, Yukio Ito | 1991-01-01 |
| 4914247 | Process for preparing para-substituted halogenobenzene derivatives | Toshio Hironaka, Masao Nakano, Yukihiro Tsutsumi | 1990-04-03 |
| 4861929 | Process for producing halogenated benzene derivative using zeolite catalyst | Takanori Miyake, Toshio Hironaka, Yukihiro Tsutsumi | 1989-08-29 |
| 4849560 | Process for preparation of halogenated benzene derivatives | Takanori Miyake, Toshio Hironaka, Yukihiro Tsutsumi | 1989-07-18 |
| 4792644 | Preparation of halogenated benzene derivatives | Toshio Hironaka, Yukihiro Tsutsumi | 1988-12-20 |
| 4740641 | Producing a halogenated benzene derivative using zeolite catalyst treated with alkali solution of pH 11 or more | Masao Nakano, Satoshi Fujii, Yukihiro Tsutsumi | 1988-04-26 |
| 4463105 | Process for producing oxygen-containing hydrocarbon compounds | Masaru Ichikawa, Kohichi Shikakura, Kazuaki Tanaka | 1984-07-31 |
| 4250339 | Process for producing methacrolein | Teruhisa Sakamoto, Keiichi Kihara | 1981-02-10 |