Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713582 | Spark plug | Manabu Yamada, Ichirou Yoshida, Morihiro Atsumi | 1987-12-15 |
| 4681989 | Ignition distributor for internal combustion engines | Naotaka Nakamura, Kenji Yagi, Ichirou Yoshida, Morihiro Atsumi | 1987-07-21 |
| 4640996 | Ignition distributor for internal combustion engines | Ichirou Yoshida, Morihiro Atsumi, Naotaka Nakamura, Kenji Yagi, Manabu Yamada | 1987-02-03 |
| 4639712 | Sheathed heater | Akihiro Kobayashi, Kiyomi Kobayashi, Hiroaki Takaba | 1987-01-27 |
| 4625085 | Material for high frequency suppression and distributor for combustion engine composed of the same material | Ichiro Yoshida, Morihiro Atsumi, Naotaka Nakamura, Kenji Yagi | 1986-11-25 |
| 4613455 | Ceramic heater and a method for its production | Hirofumi Suzuki, Hitoshi Yoshida | 1986-09-23 |
| 4549905 | Ceramic heater | Morihiro Atsumi, Takeshi Fukazawa | 1985-10-29 |
| 4505107 | Exhaust gas cleaning apparatus | Takeshi Fukazawa, Morihiro Atsumi | 1985-03-19 |
| 4475029 | Ceramic heater | Hitoshi Yoshida, Morihiro Atsumi, Takeshi Fukazawa, Tomio Kumoi | 1984-10-02 |
| 4449039 | Ceramic heater | Takeshi Fukazawa, Morihiro Atsumi | 1984-05-15 |
| 4448833 | Porous ceramic body and a method of manufacturing the same | Yukihisa Takeuchi, Yasunao Miura, Naoto Miwa | 1984-05-15 |
| 4426568 | Glow plug for diesel engines | Yoji Kato, Takeshi Fukazawa, Shinichi Saigo | 1984-01-17 |
| 4202312 | Ignition device for rotary piston engine | Kouichi Mori, Toshihiko Igashira | 1980-05-13 |
| 4191013 | Device for purifying exhaust gases from internal combustion engine | Eturou Katahira, Masashi Kida, Yasuhiko Ishida, Hideo Miyagi | 1980-03-04 |