Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686703 | Practice device for corrected golf swing | Nobuyuki Abe | 2010-03-30 |
| 7328699 | Diving mask | Taro Fujima | 2008-02-12 |
| 7143454 | Swimming goggles | Taro Fujima | 2006-12-05 |
| 7090594 | Attachment for golf tee | Hiromasa Sato | 2006-08-15 |
| 6966726 | Buoyancy compensator | — | 2005-11-22 |
| 6827083 | Snorkel | Katsuyuki Hori, Taro Fujima | 2004-12-07 |
| 6766540 | Face mask | — | 2004-07-27 |
| 6749370 | Buoyancy compensating jacket | Seishiro Urabe, Minoru Takeuchi, Kenji Kawana | 2004-06-15 |
| 6721963 | Swimming goggle | — | 2004-04-20 |
| 6592417 | Diving jacket | Minoru Takeuchi, Kenji Kawana | 2003-07-15 |
| 6579138 | Buoyancy regulator for diving | Kenji Kawana | 2003-06-17 |
| 6568972 | Swim fins | Kenji Kawana | 2003-05-27 |
| 6550110 | Strap clamping blocks for swimming goggles | Shunji Fukasawa | 2003-04-22 |
| 6546601 | Buckle for a pair of swimming goggles | — | 2003-04-15 |
| 6503114 | Diving jacket | Minoru Takeuchi, Kenji Kawana | 2003-01-07 |
| 6398604 | Combination of strap and buckle for diving fins | Masaji Fujiwara | 2002-06-04 |
| 6381761 | Face mask for diving | Taro Fujima | 2002-05-07 |
| 6243882 | Swimming goggles | Masashi Fujiwara, Shunji Fukasawa | 2001-06-12 |
| 6159064 | Swimming fin | Minoru Takeuchi, Yoshiharu Takizawa, Shoji Fujiwara | 2000-12-12 |
| 6138363 | Portable knife | — | 2000-10-31 |
| 6119278 | Swimming goggles | — | 2000-09-19 |
| 6119685 | Diving snorkel | Minoru Takeuchi, Kenji Kawana | 2000-09-19 |
| 6029284 | Swimming goggles | Shoji Fujiwara, Shunji Fukasawa | 2000-02-29 |
| 5950248 | Swimming goggles | Shunji Fukasawa | 1999-09-14 |
| 5937850 | Snorkel with exhalation valve | Kenji Kawana | 1999-08-17 |