Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10252481 | Method for forming golf ball and mold therefor | Kae Iizuka, Atsushi Komatsu, Katsunori Sato | 2019-04-09 |
| 9744735 | Method for forming golf ball and mold therefor | Kae Iizuka, Atsushi Komatsu, Katsunori Sato | 2017-08-29 |
| 8959981 | Motion state of impacting and impacted object measuring apparatus and method | Masayoshi Arakawa, Tetsuya Nakamura, Takanori Shibui, Tatsuya Ishikawa, Naoyuki Miyagawa | 2015-02-24 |
| 5857924 | Golf ball | Naoyuki Miyagawa, Toshio Chikaraishi | 1999-01-12 |