Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028893 | Elastic member and wire for elastic member | Toshio Kazama, Shigeki Ishikawa, Takeshi Suzuki | 2021-06-08 |
| 10995811 | Coil spring | Toshinori Watanabe, Hidemasa Ito, Fumio Yamamoto, Fumio Takahashi | 2021-05-04 |