Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8701394 | Electrically heated catalytic device and vehicle equipped with electrically heated catalytic device | — | 2014-04-22 |
| 6649133 | Catalyst for purifying exhaust gas, process for producing the same, and method for purifying exhaust gas | Yoriko Hasegawa, Mareo Kimura, Naoki Takahashi, Hiromasa Suzuki, Riemi Tanizawa | 2003-11-18 |
| 5795992 | Method of testing durability of exhaust gas purification device | Toshio Tanahashi, Masakatsu Sanada, Hiroyuki Domyo, Hiroshi Hirayama, Tsuneo Higashi +4 more | 1998-08-18 |