Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614239 | Driller for use in rice field | Toshio Minagawa | 1986-09-30 |
| 4569400 | Driller for use in rice field | Toshio Minagawa | 1986-02-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614239 | Driller for use in rice field | Toshio Minagawa | 1986-09-30 |
| 4569400 | Driller for use in rice field | Toshio Minagawa | 1986-02-11 |