Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432859 | Method of producing exhaust gas purifying catalyst and catalyst produced thereby | Hideharu Iwakuni, Hiroshi Yamada, Akihide Takami | 2002-08-13 |
| 6420306 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Kenji Okamoto, Hirosuke Sumida +3 more | 2002-07-16 |
| 6221804 | Catalyst for purifying exhaust gas and manufacturing method thereof | Hiroshi Yamada, Akihide Takami, Hideharu Iwakuni, Kenji Okamoto | 2001-04-24 |
| 6180558 | Material for exhaust gas purifying catalyst, exhaust gas purifying catalyst made of the material and method for producing the exhaust gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Shinichi Tanioka, Kenichi Yamamoto +4 more | 2001-01-30 |
| 6141960 | Exhaust gas purifying system for engine | Akihide Takami, Hideharu Iwakuni, Hiroshi Yamada, Kenji Okamoto, Junichi Taga +5 more | 2000-11-07 |
| 6120746 | Exhaust gas cleaning catalyst component, process of production of the same and process for production of exhaust gas cleaning catalyst member | Takashi Takemoto, Yuki Koda, Akihide Takami, Satoshi Ichikawa, Hideharu Iwakuni +2 more | 2000-09-19 |
| 6066587 | Catalyst for purifying exhaust gas | Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Kenji Okamoto, Hiroshi Yamada | 2000-05-23 |
| 6025296 | Process for production of catalyst for exhaust gas cleaning | Takashi Takemoto, Akihide Takami | 2000-02-15 |
| 5958826 | Burned gas purifying catalyst | Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Kenji Okamoto, Hirosuke Sumida +2 more | 1999-09-28 |
| 5795840 | Burned gas purifying catalyst | Akihide Takami, Hideharu Iwakuni, Hiroshi Murakami | 1998-08-18 |
| 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 |
| 5571763 | Exhaust gas purification system and catalyst therefor | Takashi Takemoto, Yasuto Watanabe, Akihide Takami, Hideharu Iwakuni, Kazunari Komatsu | 1996-11-05 |
| 5409671 | Catalytic converter for treating exhaust gas | Takashi Takemoto, Yasuto Watanabe, Masahiko Shigetsu, Kazunari Komatsu | 1995-04-25 |