Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302947 | Clamping apparatus | Keitaro Yonezawa, Hironori Yamada | 2012-11-06 |
| 6371467 | Movable clamping apparatus | Hironori Yamada, Tsutomu Shirakawa | 2002-04-16 |
| 5810344 | Clamping apparatus | — | 1998-09-22 |
| 5108079 | Hydraulic clamp with direct operated rotary clamping-member | Keitaro Yonezawa | 1992-04-28 |