Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9308589 | Drill | Hisao Oka, Yoshiji Sato, Junichi Tamura, Satoshi Suzuki | 2016-04-12 |
| 9302327 | Diamond coated tool | Katsuhito Yoshida, Shigeru Yoshida, Yuichiro Seki, Shinji Matsukawa | 2016-04-05 |