Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527651 | Wound golf ball | Junji Umezawa, Jun Shindo | 2003-03-04 |
| 6346980 | Ground positioning system applied in a distance measuring device | Nobuhiro Tani, Shuzo Seo, Kiyoshi Yamamoto | 2002-02-12 |
| 6238305 | Wound golf ball | Junji Umezawa | 2001-05-29 |
| 6238306 | Wound golf ball and making method | — | 2001-05-29 |
| 6142885 | Thread-wound golf ball | Junji Umezawa | 2000-11-07 |
| 6095932 | Wound golf ball | Junji Umezawa | 2000-08-01 |
| 6085024 | Electronic still camera and magnetic disk | Nobuya Sakai, Yuichi Kurosawa | 2000-07-04 |
| 6083120 | Wound golf ball | Junji Umezawa | 2000-07-04 |
| RE36726 | Release switch apparatus | — | 2000-06-06 |
| 6054550 | Wound golf ball | Junji Umezawa, Yasushi Ichikawa, Nobuhiko Matsumura, Kunitoshi Ishihara | 2000-04-25 |
| 5993968 | Wound golf ball | Junji Umezawa, Yutaka Masutani, Nobuhiko Matsumura, Kunitoshi Ishihara | 1999-11-30 |
| 5846142 | Golf ball | Junji Umezawa | 1998-12-08 |
| 5835143 | Automatic focusing system for a still video camera | — | 1998-11-10 |
| 5823890 | Golf ball | Takashi Maruko, Junji Umezawa | 1998-10-20 |
| 5816938 | Golf ball | — | 1998-10-06 |
| 5810677 | Thread-wound golf balls and their production process | Takashi Maruko, Junji Umezawa | 1998-09-22 |
| 5804332 | Battery accommodating chamber structure | Hitoshi Shimizu | 1998-09-08 |
| 5800286 | Golf ball | Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Kunitoshi Ishihara, Nobuhiko Matsumura | 1998-09-01 |
| 5792008 | Golf ball | Yasushi Ichikawa, Takashi Maruko, Junji Umezawa, Kunitoshi Ishihara, Nobuhiko Matsumura | 1998-08-11 |
| 5755628 | Thread-wound golf ball and a method for manufacturing the same | Junji Umezawa | 1998-05-26 |
| 5704853 | Thread-wound golf balls | Takashi Maruko, Junji Hayashi | 1998-01-06 |
| 5685785 | Wound golf ball | Junji Umezawa | 1997-11-11 |
| 5683311 | Wound golf ball | — | 1997-11-04 |
| 5677054 | Wound golf ball | — | 1997-10-14 |
| 5674137 | Wound golf ball | Takashi Maruko, Junji Hayashi | 1997-10-07 |