Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840058 | Fiber-reinforced epoxy resin material, prepreg and, tubular body made of fiber-reinforced epoxy resin material | Hiromasa Tsunashima, Kazuyoshi Shiga | 2017-12-12 |
| 9717963 | Golf club shaft | Takehiko Hyodo, Kazuyoshi Shiga, Hiroshi Hasegawa | 2017-08-01 |