Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989105 | Method and apparatus for polishing chamfers of semiconductor wafers | Akira Kawakawaguchi, Shigeru Kimura, Akihito Yanoo, Shoji Tsuruta, Shigeo Kumabe | 1999-11-23 |
| 5550275 | Method of preparing diarylchlorophosphate | Mutsuno Kato, Yoshifusa Hara | 1996-08-27 |
| 5344968 | Method for producing o-alkoxybenzoic acid | Suchart Lilitkarntakul, Shukichi Nabekawa, Katsuyuki Ogura | 1994-09-06 |
| 5074738 | Method and apparatus for take out and transport of upright objects such as ampules from storage/transport case and this case itself | Toshiyasu Ehara, Tohru Kobayashi | 1991-12-24 |
| 4857238 | Manufacturing method for alkyldihalogenophosphines | Hiromu Tsuchiya, Shukichi Nabekawa | 1989-08-15 |