Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10721848 | Manufacturing device, manufacturing management system, and manufacturing control program | Hajime Tomokage, Hidemichi Kawase, Hiroshi Matsuoka, Hirohiko Matsuzawa, Kazuhiro Kusunoki +1 more | 2020-07-21 |
| 6144124 | Thin DC brushless motor having an air gap formed therein | Fujio Nakagawa | 2000-11-07 |
| 5789834 | Spindle motor | Fujio Nakagawa, Yasuo Sasaki | 1998-08-04 |
| 5128107 | Apparatus for making ester | Takashi Ogawa, Mitsumasa Hasegawa | 1992-07-07 |
| 5011603 | Ceramic filter | Takashi Ogawa, Mitsumasa Hasegawa | 1991-04-30 |
| 4957625 | Ceramic filter modules in series with piston backwash | Takashi Ogawa, Mitsumasa Hasegawa, Masashi Fujimoto, Masaaki Hayashi | 1990-09-18 |
| 4909950 | Process and apparatus for separating solid-liquid compositions | Takashi Ogawa, Yukihiko Nagao, Mitsumasa Hasegawa | 1990-03-20 |
| 4897204 | Process and apparatus for gas dissolution | Takashi Ogawa, Masashi Fujimoto, Mitsumasa Hasegawa | 1990-01-30 |
| 4863617 | Process and apparatus for separating solid-liquid compositions | Takashi Ogawa, Yukihiko Nagao, Mitsumasa Hasegawa | 1989-09-05 |
| 4839488 | Electric discharge machine using a ceramic filter to filter the working fluid | Takashi Ogawa, Mitsumasa Hasegawa | 1989-06-13 |
| 4751007 | Method for filtering Bacillus subtilis | Takeshi Kobayashi, Shinji Iijima, Toshiro Minami, Shunji Yasuda | 1988-06-14 |