Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7246979 | Multi-pitch screw, multi-pitch nut, feed screw device using the screw and nut, and method of producing the nut | Hiroshi Fujii, Katsuhiro Sugiyama, Masashi Mitsukuchi, Kenichi Katayama | 2007-07-24 |