Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991991 | Joint structure between a ceramic shaft and a metallic shaft | Masaya Ito, Noboru Ishida | 1991-02-12 |
| 4723863 | Method and means for joining a ceramic shaft and metal sleeve | Atsushi Kanda | 1988-02-09 |
| 4657825 | Electronic component using a silicon carbide substrate and a method of making it | Atsushi Kanda, Rokuro Kambe | 1987-04-14 |
| 4582813 | Sintered alumina product | Atsushi Kanda, Tatsuo Kato | 1986-04-15 |
| 4442375 | Electrical self-purification ignition plug | Kanemitsu Nishio, Yasuhiko Suzuki | 1984-04-10 |
| 4427915 | Spark plug and the process for production thereof | Kanemitsu Nishio, Yasuhiko Suzuki | 1984-01-24 |
| 4427914 | Sparkplug with improved antifouling performance | Hisao Mizuno, Kichio Nakahara, Hiroyuki Nagae | 1984-01-24 |
| 4415828 | Sparkplug with antifouling coating on discharge end of insulator | Hisao Mizuno, Kichio Nakahara, Takahito Yamamota | 1983-11-15 |
| 4414483 | Spark plug and manufacturing process thereof | Kanemitsu Nishio, Yasuhiko Suzuki | 1983-11-08 |
| 4400643 | Wide thermal range spark plug | Kanemitsu Nishio, Yasuhiko Suzuki | 1983-08-23 |
| 4393324 | Spark plug with a sphere-like metal center electrode and manufacturing process thereof | Kanemitsu Nishio, Yasuhiko Suzuki | 1983-07-12 |
| 4261085 | Method of making an ignition plug insulator having an electrically conductive end | Kanemitsu Nishio | 1981-04-14 |
| 4224554 | Spark plug having a low noise level | Kanemitsu Nishio, Mitsutaka Yoshida | 1980-09-23 |