Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136569 | Heat resistant isoamylase | Masahiro BABA, Ryoko SANO, Shun Ogawa, Hirofumi Horiguchi | 2021-10-05 |
| 11007411 | Method for manufacturing iron golf club head, iron golf club head, and iron golf club | Kazuhiro Doi, Tetsuya Kanayama | 2021-05-18 |