Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392168 | Rotary head assembly | Teruo Maruyama, Takashi Ichiyanagi | 1983-07-05 |
IO
Ichizo Otoda
Overall (All Time): #4,054,124 of 4,157,543Top 100%
1
Patents All Time