Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640714 | Grinder | Hisayuki Nagaya, Kazuhiko Shibatani | 2011-06-28 |
| 7503244 | Machine tool and bed thereof | Teruhiro Nakamura, Hiroaki Kikuchi, Kikutoshi Okada | 2009-03-17 |
| 5997387 | Grinding wheel with at least two wheel cores for circumferential grinding | Tomoyasu Imai, Ryouhei Mukai, Hideki Nagano, Koji Nishi, Hisashi Nakamura +3 more | 1999-12-07 |
| 5928061 | Wheel-head feed mechanism and grinder using the same | Yasuo Niino, Masahiro Ido, Toshihiko Shima, Hideki Nagano | 1999-07-27 |