Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339187 | Chain measurement device, chain measurement system, and method for calculating slack amount of chain | Tadashi Sekido, Yoshiaki Sawade, Naoto Himiyama, Sora Demura | 2025-06-24 |
| D1040668 | Drive chain measuring tool | Naoto Himiyama, Sora Demura | 2024-09-03 |
| 7861412 | Method for molding vehicular wheel rim | Yoshihaya Imamura, Junichi Sato, Katsuhiro Motode | 2011-01-04 |