Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988712 | Screw jack | Yasuji Kawasaki | 2006-01-24 |
| 4968353 | Method for refining sugar liquor | Fumio Maekawa | 1990-11-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988712 | Screw jack | Yasuji Kawasaki | 2006-01-24 |
| 4968353 | Method for refining sugar liquor | Fumio Maekawa | 1990-11-06 |