Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7395817 | Evaporated fuel adsorbing apparatus | Toshikazu Harada | 2008-07-08 |
| 5852274 | Electrically heatable catalytic converter | Kiyohiko Watanabe, Tohru Yoshinaga, Akihiro Izawa | 1998-12-22 |
| 5582803 | Electrically heated catalytic apparatus | Kouji Yoshizaki, Takaaki Itou, Hiroshi Hirayama, Tetsuo Nagami, Masakatsu Sanada +11 more | 1996-12-10 |
| 5582805 | Electrically heated catalytic apparatus | Kouji Yoshizaki, Takaaki Itou, Hiroshi Hirayama, Tetsuo Nagami, Masakatsu Sanada +11 more | 1996-12-10 |
| 5554342 | Electrical heating type catalytic device | Hiroshi Hirayama, Kouji Yoshizaki, Kouhei Igarashi, Keiji Ito, Tohru Yoshinaga +2 more | 1996-09-10 |