Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658536 | Exhaust gas purifying apparatus | Shinichi Okabe, Tokio Kohama, Kiyohiko Watanabe, Yasuyuki Kawabe | 1997-08-19 |
| 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 |
| 5567395 | Catalyst carrier for a catalytic converter for purifying an exhaust gas in an internal combustion engine | Shinichi Okabe, Kiyohiko Watanabe, Yasuyuki Kawabe | 1996-10-22 |
| 5554342 | Electrical heating type catalytic device | Hiroshi Hirayama, Kouji Yoshizaki, Kouhei Igarashi, Keiji Ito, Kiyohiko Watanabe +2 more | 1996-09-10 |
| 5493859 | Engine with an adsorber | Yukihiro Shinohara, Toshihiko Igashira, Masatoshi Basaki | 1996-02-27 |