Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444726 | Method for manufacturing grinding wheel having depressions on grinding surface thereof | Shinji Soma, Koji Morita, Tomohiro Inagaki, Takayuki Moroto, Kazuhiko Sugita +1 more | 2013-05-21 |
| 8182318 | Obliquely grooved grinding wheel and method for manufacturing the same | Shinji Soma, Masahiro Ido, Hitoshi Akahane, Tomohiro Inagaki, Yasuji Kunihiro | 2012-05-22 |
| 7824246 | Wheel spindle device for grinding machine | Tomohiro Inagaki, Takayuki Moroto, Shinji Soma | 2010-11-02 |
| 7695353 | Grinding wheel | Takayuki Moroto, Kunihiko Unno, Masato Kitajima, Yasuhisa Sekiya, Tomohiro Inagaki +4 more | 2010-04-13 |
| 7331845 | Double end face truing device, double end face truing tool, and double end face truing method | Noboru Hiraiwa, Shinji Soma | 2008-02-19 |
| 6200360 | Abrasive tool and the method of producing the same | Hiroaki Asano, Hayashi Kodama, Masato Kitajima, Masashi Yanagisawa | 2001-03-13 |
| 6086467 | Grinding wheel | Ryohei Mukai, Shinji Soma, Tomoyuki Kasuga, Takanori Ninomiya | 2000-07-11 |
| 5997387 | Grinding wheel with at least two wheel cores for circumferential grinding | Ryouhei Mukai, Hideki Nagano, Koji Nishi, Hisashi Nakamura, Masahiro Ido +3 more | 1999-12-07 |
| 5766059 | Method of grinding a workpiece | Masato Kitajima, Ryohei Mukai, Toshihiro Tsutsui, Takayuki Yoshimi | 1998-06-16 |
| 5533931 | Method and machine for grinding a workpiece | Ryohei Mukai | 1996-07-09 |
| 5363598 | Machine tool capable of grinding a workpiece with a truing apparatus | Takani Yoshimi, Akihiro Matsuura, Toshiharu Takashima, Toshihiro Tsutsui, Hiroyuki Nakano | 1994-11-15 |
| 5303512 | Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding | Toshio Tsujiuchi, Norio Ohta, Yukio Oda, Ryohei Mukai, Hisashi Nakamura +1 more | 1994-04-19 |
| 5079875 | Segmentee grinding wheel | Kunihiko Unno, Hajime Fukami, Akimitsu Kamiya, Shinji Soma | 1992-01-14 |
| 4866887 | Method of truing grinding wheel | Ryouhei Mukai, Toshihiro Tsutsui | 1989-09-19 |
| 4724125 | Method for corrosion inhibition of metals | Takao Tsuneki, Shinji Ano, Takahiko Uchida | 1988-02-09 |
| 4666609 | Water treatment agent | Takao Tsuneki, Shinji Ano, Takahiko Uchida, Masaru Okamoto, Hideo Ohtaka +1 more | 1987-05-19 |
| 4662120 | Cam grinding machine | Ryouhei Mukai, Toshihiro Tsutsui | 1987-05-05 |
| 4446657 | Resinoid bonded grinding wheel and method for forming such wheel | Toshio Asaeda, Ikuo Suzuki, Masato Kitajima | 1984-05-08 |
| 4385907 | Resinoid bonded grinding wheel with support member made of a heat insulating material | Tamaki Tomita, Ikuo Suzuki, Masato Kitajima | 1983-05-31 |