Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439185 | Bobbin holder | Shinsuke Tsukumo | 1995-08-08 |
| 4511102 | Bobbin holder | Masae Tsukumo, Shinsuke Tsukumo | 1985-04-16 |
| 4187588 | Construction of pendulum arm type high sensitivity self-aligning weighting arm | — | 1980-02-12 |
| 4185738 | Guiding device for endless apron | — | 1980-01-29 |