Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700747 | Exhaust gas cleaning catalyst complex and method for producing the same | Hideharu Iwakuni, Akihide Takami | 1997-12-23 |
| 5677258 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Kenji Okamoto, Hirosuke Sumida +3 more | 1997-10-14 |