Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421574 | Sports instrument and impact-absorbing element to be attached to sports instrument | Masahiro Yamagishi, Yasuo Komatsu, Hiroshi Edagawa, Naoki Imaeda | 1995-06-06 |
| 5314180 | Sports instrument and impact-absorbing element to be attached to sports equipment | Masahiro Yamagishi, Yasuo Komatsu, Hiroshi Edagawa, Naoki Imaeda | 1994-05-24 |
| 4983814 | Fibrous heating element | Katsunori Ohgushi, Zenwemon Kitazawa | 1991-01-08 |