Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9931552 | Tubular carbon fiber reinforced composite material and golf club shaft | Mami Sakaguchi, Takayuki Fujiwara, Tomoko Ichikawa | 2018-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9931552 | Tubular carbon fiber reinforced composite material and golf club shaft | Mami Sakaguchi, Takayuki Fujiwara, Tomoko Ichikawa | 2018-04-03 |