Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9844702 | Multi-layer golf ball | Hideyuki Ishii, Nicholas A. Leech, Nicholas Yontz, Chien-Hsin Chou, Chen-Tai Liu +1 more | 2017-12-19 |
| 9586095 | Multi-layer golf ball | Hideyuki Ishii, Chen-Tai Liu | 2017-03-07 |
| 9586096 | Multi-layer golf ball | Hideyuki Ishii, Aaron Bender, Nicholas A. Leech, Chien-Hsin Chou, Chen-Tai Liu +1 more | 2017-03-07 |
| 9573023 | Multi-layer golf ball | Hideyuki Ishii, Nicholas Yontz, Chien-Hsin Chou, Chen-Tai Liu | 2017-02-21 |