Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300141 | Rotary blade for tiller | — | 1989-03-07 |
| 4660668 | Self-propelled agricultural machine | Tokio Horikawa, Mitsuaki Sawai, Hisatake Fujioka, Nobuhide Yanagawa | 1987-04-28 |
NK
Nobumasa Kawashima
Overall (All Time): #2,329,126 of 4,157,543Top 60%
2
Patents All Time