Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362497 | Transdermal therapeutic composition | Muneo Nonomura, Kohei Nishikawa | 1994-11-08 |
| 5360290 | Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump | Saburo Maru, Sumio Sudo | 1994-11-01 |
| 5346316 | Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit | Ryoji Okada, Kooju Aizawa, Kenji Otani, Kunio Takada, Mitsuaki Haneda +1 more | 1994-09-13 |
| 5317836 | Apparatus for polishing chamfers of a wafer | Fumihiko Hasegawa, Hiroshi Kawano, Tatsuo Ohtani | 1994-06-07 |
| 5316620 | Method and an apparatus for polishing wafer chamfers | Fumihiko Hasegawa, Tatsuo Ohtani, Hiroshi Kawano | 1994-05-31 |
| 5297927 | Vertical shaft type pump | Kooji Aizawa, Katsutoshi Nii, Ryoji Okada, Kunio Takada | 1994-03-29 |
| 5282289 | Scrubber apparatus for cleaning a thin disk work | Fumihiko Hasegawa, Makoto Tsukada, Hideo Kudo, Isao Uchiyama | 1994-02-01 |