Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307911 | Walking operator type lawn mower | Manabu Miyawaki, Takao Katayama, Jinnosuke Takakura, Hisato Katoh | 1990-05-15 |
HS
Hirofumi Sadagane
Overall (All Time): #3,903,119 of 4,157,543Top 95%
1
Patents All Time