Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815024 | Electrically heated catalyst device and its manufacturing method | Koji Kasahara, Natsuki Sugiyama, Masao Nakayama, Hideji NAITO | 2017-11-14 |
| 9464549 | Electrically heated catalyst device and its manufacturing method | Shinya Nishigaya, Natsuki Sugiyama, Masao Nakayama, Hideji NAITO | 2016-10-11 |