Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975165 | Buffer turret apparatus | Keiichi Sugiyama, Syuuji Ishida, Youichi Tanaka | 2018-05-22 |
| 9815106 | Buffer turret apparatus | Keiichi Sugiyama, Syuuji Ishida, Youichi Tanaka | 2017-11-14 |