Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322256 | Optical fiber holding capillary tube | Katsumi Inada, Hirokazu Takeuchi, Nagaharu Nakajima, Tadashi Seto, Yoshimasa Yamaguchi +3 more | 2001-11-27 |
| 5324032 | Golf club shaft | — | 1994-06-28 |
| 5322290 | Golf club grip | — | 1994-06-21 |
| 5269518 | Grip-weighted putter | Masashi Kobayashi, Yoshio Tanabe, Yuuzi Mori | 1993-12-14 |