Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525757 | Rotary head assembly | Kiyokazu Imanishi, Takashi Ichiyanagi, Yasuo Sakurai, Koji Nakagawa | 1985-06-25 |
HN
Hirouki Naka
Overall (All Time): #4,017,207 of 4,157,543Top 100%
1
Patents All Time