Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167458 | Method for producing golf ball | Kazuyoshi Shiga, Hikaru Nagakura | 2021-11-09 |
| 11148011 | Golf ball | Hikaru Nagakura, Kazuyoshi Shiga | 2021-10-19 |
| 11097162 | Golf ball | Hikaru Nagakura, Kazuyoshi Shiga | 2021-08-24 |
| 10926139 | Golf ball | Hiroshi Tadaoka, Chiemi Mikura, Kazuyoshi Shiga | 2021-02-23 |
| 10894191 | Golf ball | Kazuyoshi Shiga, Hikaru Nagakura, Takahiro Shigemitsu | 2021-01-19 |