Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432872 | Composition for use in adsorption treatment, products formed with the same, and a method for producing adsorbent using the same | Yoshinori Tsushio, Tuyoshi Nishijima, Ichiro Kitayama, Osamu Takayama, Hirosuke Sumida | 2002-08-13 |
| 6200555 | Deodorant composition, deodorizer and filter each containing the same, and method of deodorization | Tsuyoshi Nishijima, Keiko Matsui | 2001-03-13 |
| 6090744 | Catalyst for cleaning exhaust gas | Yuki Koda, Satoshi Ichikawa, Hiroshi Yamada, Kenichi Yamamoto, Kenji Okamoto +5 more | 2000-07-18 |
| 5849660 | Catalyst for purifying exhaust gas | Takashi Takemoto, Kazunari Komatsu, Hiroshi Yamada, Hiroshi Murakami, Masayuki Koishi +2 more | 1998-12-15 |