Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225133 | Method for manufacturing a golf ball mold | Keisuke Ihara | 1993-07-06 |
| 5194191 | Preparation of thread-wound golf balls | Jun Nomura | 1993-03-16 |
| 4911631 | Rotary roll extruder | Michitoshi Sorioka | 1990-03-27 |
| 4871259 | Rubber-like material kneading apparatus | Kazuhisa Nishigai | 1989-10-03 |
| 4744745 | Variable contour rubber extruder | Takashi Yokoi, Keiji Yamamoto | 1988-05-17 |
| 4576563 | Rotary roll-type rubber extruder | Keiji Yamamoto, Takashi Yokoi | 1986-03-18 |
| 4470790 | Adjustable extrusion die assembly | Takashi Yokoi | 1984-09-11 |