Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434385 | Golf club head and golf club | Tetsuya Oono, Tatsuya Wakako, Kei Tsuji | 2019-10-08 |
| 10159880 | Adjustable metal wood golf club head with moveable weight structure | Kei Tsuji, David Llewellyn | 2018-12-25 |
| 6653437 | Process for producing oxidative cross-linked polyarylene sulfide | Toshio Hinokimori, Nobuhiko Yamauchi | 2003-11-25 |
| 5292408 | Pitch-based high-modulus carbon fibers and method of producing same | Eiji Tanigawa, Takemi Nakamura | 1994-03-08 |
| 4960841 | Polyphenylene sulfide/polyphenylene sulfide sulfone block copolymer | Juheiji Kawabata, Manabu Chiba, Toshinori Sugie, Fumihiro Kobata, Hitoshi Izutsu +1 more | 1990-10-02 |
| 4929665 | Thermoplastic resin composition | Toshio Inoue, Hitoshi Izutsu, Toshihide Yamaguchi, Fumihiro Kobata, Juheiji Kawabata | 1990-05-29 |