Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532896 | Two-cycle engine | Hiroshi Matsui, Harumichi Yoshiyama | 1985-08-06 |
| 4427914 | Sparkplug with improved antifouling performance | Hisao Mizuno, Shunichi Takagi, Hiroyuki Nagae | 1984-01-24 |
| 4415828 | Sparkplug with antifouling coating on discharge end of insulator | Hisao Mizuno, Shunichi Takagi, Takahito Yamamota | 1983-11-15 |