Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200555 | Deodorant composition, deodorizer and filter each containing the same, and method of deodorization | Tsuyoshi Nishijima, Taeko Shimizu | 2001-03-13 |
| 5849660 | Catalyst for purifying exhaust gas | Takashi Takemoto, Kazunari Komatsu, Taeko Shimizu, Hiroshi Yamada, Hiroshi Murakami +2 more | 1998-12-15 |