Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905422 | Shaft for light-weight golf clubs | Tetsuya Atsumi, Tsutomu Ibuki, Katsumi Anai | 2005-06-14 |
| 6767422 | Shaft for light-weight golf clubs | Tetsuya Atsumi, Tsutomu Ibuki, Katsumi Anai | 2004-07-27 |
| 6705954 | Golf club shaft and method for manufacturing same | Tsutomu Ibuki, Tetsuya Atsumi | 2004-03-16 |
| 5137594 | Moldings and method for forming the same | Shiro Asada, Fujio Itani | 1992-08-11 |
| 5104718 | Prepreg and process for producing the same | Shiro Asada, Akira Agata, Toshihiro Hattori | 1992-04-14 |