Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908216 | Grinding wheel manufacturing method and grinding wheel | Naoto Ono, Tomoyuki Kasuga, Ryo Ito | 2018-03-06 |
| 9254549 | Grinding machine | Toshiki Sakai, Satoshi Okubo, Naoto Ono | 2016-02-09 |
| 9149912 | Cubic boron nitride grinding wheel | Naoto Ono, Tomokazu Yamashita | 2015-10-06 |
| 8771043 | Rotary dresser | Sadao Sakakibara | 2014-07-08 |
| 8678719 | Cutting tip, method of forming cutting tip, and method of manufacturing cutting tip | Naoto Ono, Yasuo Niino, Tomokazu Yamashita | 2014-03-25 |
| 8444726 | Method for manufacturing grinding wheel having depressions on grinding surface thereof | Koji Morita, Tomohiro Inagaki, Takayuki Moroto, Kazuhiko Sugita, Tomoyasu Imai +1 more | 2013-05-21 |
| 8182318 | Obliquely grooved grinding wheel and method for manufacturing the same | Masahiro Ido, Hitoshi Akahane, Tomohiro Inagaki, Yasuji Kunihiro, Tomoyasu Imai | 2012-05-22 |
| 8177871 | Vitrified bonded grindstone | Hiroshi Morita, Tomokazu Yamashita | 2012-05-15 |
| 8033278 | Segmented grinding wheel and manufacturing method therefor | Masato Kitajima, Kunihiko Unno, Hiroshi Takehara, Takuma Kono | 2011-10-11 |
| 7824246 | Wheel spindle device for grinding machine | Tomohiro Inagaki, Tomoyasu Imai, Takayuki Moroto | 2010-11-02 |
| 7695353 | Grinding wheel | Takayuki Moroto, Kunihiko Unno, Masato Kitajima, Tomoyasu Imai, Yasuhisa Sekiya +4 more | 2010-04-13 |
| 7572174 | Abrasive grain and grindstone | Hiroshi Morita, Tomoyuki Kasuga | 2009-08-11 |
| 7530882 | Grinding method and grinding machine | Hiroshi Morita | 2009-05-12 |
| 7331845 | Double end face truing device, double end face truing tool, and double end face truing method | Tomoyasu Imai, Noboru Hiraiwa | 2008-02-19 |
| 6852015 | Method and apparatus for grinding workpiece surfaces to super-finish surface with micro oil pockets | Naoki Ito, Mamoru Katsuta, Kazuhisa Sugiyama | 2005-02-08 |
| 6752120 | Crankshaft and engine | Toshiyuki Saito, Naoki Ito | 2004-06-22 |
| 6086467 | Grinding wheel | Tomoyasu Imai, Ryohei Mukai, Tomoyuki Kasuga, Takanori Ninomiya | 2000-07-11 |
| 5495844 | Segmental grinding wheel | Masato Kitajima, Hajime Fukami, Koji Nishi, Masahiro Yoshida | 1996-03-05 |
| 5364422 | CBN grinding wheel | Masato Kitajima, Akimitsu Kamiya, Akira Suzuki, Yasuhisa Sekiya, Tomohiro Inagaki | 1994-11-15 |
| 5291691 | Method and apparatus for dressing an electroplated grinding wheel | Kunihiko Unno, Masato Kitajima, Hajime Fukami, Akimitsu Kamiya | 1994-03-08 |
| 5079875 | Segmentee grinding wheel | Kunihiko Unno, Tomoyasu Imai, Hajime Fukami, Akimitsu Kamiya | 1992-01-14 |
| 5058562 | Rotary diamond tool for truing grinding wheel | Toshihiro Tsutsui | 1991-10-22 |