Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815024 | Electrically heated catalyst device and its manufacturing method | Koji Kasahara, Natsuki Sugiyama, Masao Nakayama, Yuki Tomitaka | 2017-11-14 |
| 9732651 | Electrically heated catalyst device | Natsuki Sugiyama | 2017-08-15 |
| 9464549 | Electrically heated catalyst device and its manufacturing method | Shinya Nishigaya, Natsuki Sugiyama, Masao Nakayama, Yuki Tomitaka | 2016-10-11 |
| 8329110 | Electrically-heated catalyst | Yasuo Kinoshita, Tatsuo Iida, Tadashi Takagaki, Gozo Kaji, Kenji Shimoda | 2012-12-11 |