Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604424 | Pressure detecting apparatus and installation structure of same | Tokio Kohama, Kiyohiko Watanabe, Yukihiro Kato, Yoshifumi Watanabe | 2003-08-12 |
| 6041754 | Idle intake control device | Katsuyuki Mori, Kiyohiko Watanabe, Koichi Gomi, Takashi Fukunaga, Tadashi Akiyama | 2000-03-28 |
| 5791043 | Process of producing metal catalyst carrier | Shinichi Okabe, Tokio Kohama, Tohru Yoshinaga, Kiyohiko Watanabe | 1998-08-11 |
| 5658536 | Exhaust gas purifying apparatus | Shinichi Okabe, Tokio Kohama, Tohru Yoshinaga, Kiyohiko Watanabe | 1997-08-19 |
| 5582805 | Electrically heated catalytic apparatus | Kouji Yoshizaki, Takaaki Itou, Hiroshi Hirayama, Tetsuo Nagami, Masakatsu Sanada +11 more | 1996-12-10 |
| 5582803 | 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, Tohru Yoshinaga, Kiyohiko Watanabe | 1996-10-22 |
| 5447697 | Metal catalyst carrier | Keiji Ito, Yasushi Shimizu, Kiyotaka Matuo, Masao Yokoi, Tosiharu Konda +1 more | 1995-09-05 |
| 5409759 | Metal assembly | Tosiharu Kondo, Keiji Ito, Takasi Obata, Kiyotaka Matuo, Yukikatsu Ozaki | 1995-04-25 |
| 5391851 | Multi-point welding method and catalyst support produced thereby | Kiyotaka MATSUO, Masao Yokoi, Ichiro Hashimoto, Keiji Ito | 1995-02-21 |
| 5051766 | Automatic focusing camera with multiple distance measuring function | Osamu Nonaka, Atushi Maruyama, Tatsuji Higuchi | 1991-09-24 |
| 4969354 | Intake pipe pressure detecting device | Toru Kosuda, Iwao Yokomori, Osamu Ina | 1990-11-13 |