Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1088955 | Chain for slide fastener | — | 2025-08-19 |
| 11969061 | Slide fastener chain and slide fastener | Shigeyoshi Takazawa, Steven Thomas, Matthew Rawstron | 2024-04-30 |
| D1016666 | Chain for slide fastener | — | 2024-03-05 |
| D984314 | Chain for slide fastener | — | 2023-04-25 |
| 11202487 | Slide fastener | Yu Chen Tung, Jiro Nozaki, Shigeyoshi Takazawa, Yoshinori Kojima | 2021-12-21 |
| 10874179 | Rotation mechanism of separable stopper for slide fastener and slide fastener including same | Shigeyoshi Takazawa | 2020-12-29 |
| 10212991 | Fastener chain element and fastener chain | Shigeyoshi Takazawa, Naoyuki Himi | 2019-02-26 |