Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689328 | Metal honeycomb body for exhaust gas purification catalyst and method for producing the same | Tadayuki Otani, Atuhiko Imai, Masayuki Kasuya, Kazutoshi Iwami, Toru Utsumi +5 more | 2004-02-10 |
| 5603928 | Air purification agent and process for production of same | — | 1997-02-18 |
| 5227358 | Composition having strong air cleaning ability and method of preparing same | Yozo Takemura | 1993-07-13 |
| 5223230 | Component for deodorizing air and other gases | Yozo Takemura, Yoshitsugu Sakagami, Tadashi Morita | 1993-06-29 |
| 5171726 | Composition for gas purification and method of preparing same | Yozo Takemura, Masaru Meguro, Norio Mikami, Yoshikatsu Ikari | 1992-12-15 |