Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423590 | Balloon control ring | Kunio Tsukamoto | 1984-01-03 |
| 4294067 | Method and apparatus for doffing and donning bobbins in a spinning machine | Shuji Takahisa, Osamu Suzuki | 1981-10-13 |