Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738832 | Exhaust gas purifying apparatus | Takashi Dogahara, Kazuo Koga, Yoshiaki Danno, Daisuke Sanbayashi, Satoru Serizawa +1 more | 1998-04-14 |
| 5677254 | Catalyst for purifying an exhaust gas | Shigeru Nojima, Norihisa Kobayashi, Satoru Serizawa, Atsushi Morii | 1997-10-14 |
| 5338715 | Catalyst for exhaust gas purification | Shigeru Nojima, Serizawa Satoru, Norihisa Kobayashi | 1994-08-16 |
| 5120898 | Process for isomerizing hydrocarbons | Shigeo Baba, Yukio Shibata, Takahiro Kawamura, Hideo Takaoka, Tsuguo Kimura +4 more | 1992-06-09 |
| 5036035 | Solid strong acid catalyst process for the production of the same and use thereof | Shigeo Baba, Yukio Shibata, Takahiro Kawamura, Hideo Takaoka, Tsuguo Kimura +4 more | 1991-07-30 |
| 4973570 | Method for producing a parallel gas flow type catalyst for oxidizing sulfurous acid gas | Naohiko Ukawa, Tsumoru Nakamura | 1990-11-27 |
| 4966873 | Catalysts for the removal of nitrogen oxides | Toru Seto, Yoshiaki Obayashi | 1990-10-30 |
| 4952381 | Method for denitrizing nitrogen oxides contained in waste gas | Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more | 1990-08-28 |
| 4869735 | Adsorbent for arsenic compound and method for removing arsenic compound from combustion gas | Masaki Miyazawa, Norihisa Kobayashi, Hiromu Takatsuka, Atsushi Morii, Toshio Koyanagi +9 more | 1989-09-26 |
| 4725572 | Process for preparing a catalyst for removing nitrogen oxides | Toshikuni Sera, Shigeaki Mitsuoka, Touru Seto, Hiroshi Suzumura, Yoshiaki Obayashi | 1988-02-16 |
| 4656147 | Method for recovering denitrating catalyst for ammonia catalytic reduction | Tsuneo Nagano, Naruo Yokoyama, Yoshiaki Obayashi, Shigeaki Mitsuoka | 1987-04-07 |
| 4564604 | Catalyst for treating waste gases | Yoshiaki Obayashi | 1986-01-14 |