Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8372915 | Golf ball | Keiji Ohama, Satoko Okabe | 2013-02-12 |
| 8292759 | Golf ball | Hirotaka Nakamura, Keiji Ohama | 2012-10-23 |
| 8206245 | Golf ball | Keiji Ohama, Hirotaka Nakamura | 2012-06-26 |
| 8182368 | Golf ball | Keiji Ohama, Hirotaka Nakamura | 2012-05-22 |
| 8133956 | Golf ball | Keiji Ohama, Toshiyuki Tarao | 2012-03-13 |
| 8118690 | Golf ball | Seiichiro Endo, Tsutomu Hirau | 2012-02-21 |
| 7614966 | Golf ball | Tsutomu Hirau, Seiichiro Endo | 2009-11-10 |
| 7582026 | Golf ball | Seiichiro Endo, Tsutomu Hirau | 2009-09-01 |
| 7390273 | Golf ball | Keiji Ohama, Kazuhiko Isogawa | 2008-06-24 |