Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10905960 | Game system, terminal device and program | Kensuke Kokami | 2021-02-02 |
| 9586143 | Game control device, game control method, program, recording medium, and game system | Akihiko Shimizu, Kensuke Kokami | 2017-03-07 |
| 9485328 | Game control device, game program, game control method and game system | Yosuke Abe, Kenji Suzuki, Yuji Minohoshi, Masaki Morimoto, Kiwamu Takahashi +2 more | 2016-11-01 |
| 8211266 | Badminton racket and manufacturing method of badminton racket | — | 2012-07-03 |
| 6579198 | Tennis racket with shaft having light weight metal piece | — | 2003-06-17 |
| 6254500 | Racket with meshed titanium reinforcement | — | 2001-07-03 |
| 6162132 | Golf club head having hollow metal shell | — | 2000-12-19 |
| 6077171 | Iron golf club head including weight members for adjusting center of gravity thereof | — | 2000-06-20 |
| 4911444 | Tennis racket | — | 1990-03-27 |
| 4667963 | Golf club head | — | 1987-05-26 |
| 4635941 | Golf club head | — | 1987-01-13 |
| 4630827 | Golf club head | — | 1986-12-23 |
| 4582321 | Golf club head | — | 1986-04-15 |
| 4575084 | Badminton racket having novel throat connection | — | 1986-03-11 |
| 4534558 | Golf club head | — | 1985-08-13 |
| D273507 | Tennis racket frame | — | 1984-04-17 |
| D258072 | Tennis racket | — | 1981-01-27 |
| D254210 | Tennis racket | — | 1980-02-12 |