Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339187 | Chain measurement device, chain measurement system, and method for calculating slack amount of chain | Daigo Masumoto, Tadashi Sekido, Yoshiaki Sawade, Sora Demura | 2025-06-24 |
| D1040668 | Drive chain measuring tool | Daigo Masumoto, Sora Demura | 2024-09-03 |