Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083533 | Golf ball | Atsuki Kasahima, Rinya Takesue | 2006-08-01 |
| 6595876 | Golf ball | Atsuki Kasashima, Keisuke Ihara | 2003-07-22 |
| 6454668 | Golf ball | Atsuki Kasashima, Keisuke Ihara | 2002-09-24 |
| 6435988 | Golf ball and method of evaluating golf ball | Keisuke Ihara, Atsuki Kasashima | 2002-08-20 |
| 6368238 | Dimpled golf ball | Atsuki Kasashima, Keisuke Ihara | 2002-04-09 |
| 6254496 | Dimpled golf ball and dimple distributing method | Keisuke Ihara, Atsuki Kasashima | 2001-07-03 |
| 5935023 | Golf ball | Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue, Atsuki Kasashima | 1999-08-10 |
| 5916044 | Golf ball | Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atsuki Kasashima | 1999-06-29 |
| 5913736 | Golf ball | Toshio Chikaraishi | 1999-06-22 |
| 5911639 | Golf ball | Atsuki Kasashima, Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue | 1999-06-15 |
| 5048838 | Three-piece solid golf ball | Toshio Chikaraishi, Hidetoshi Ieiri, Kazuhiko Sugai | 1991-09-17 |