Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752727 | Golf club head and method of manufacturing the same | Hiroaki Inoue, Atsushi Uchida, Tatsuya Hirakawa | 2004-06-22 |
| 5322206 | Golf club head and a process for producing the same | Toshiharu Hoshi | 1994-06-21 |
| 5228615 | Method of manufacturing golf head | Takashi Iijima, Toshiharu Hoshi | 1993-07-20 |
| 5187022 | Magnetic recording medium for encoders | Nobuji Kato, Yoshinori Hayashi, Toshiharu Hoshi, Kenzaburo Iijima | 1993-02-16 |
| 5131986 | Golf club head and its manufacturing | Iijima Toshiharu, Kenzaburou Iijima | 1992-07-21 |