Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371285 | Method of producing keto acids | Michio Tanaka, Naoya Sakamoto, Hajime Ooyoshi | 1994-12-06 |
| 5315032 | Method of producing an N-hydroxycarbamate compound | Keigo Nishihira, Shuji Tanaka, Katsuhiko Mizutare | 1994-05-24 |
| 5278635 | Surface defect detection apparatus | Hiroshi Ono | 1994-01-11 |
| 5276200 | Method of preparing sodium formyl acetone and 4,4-dimethoxy-2-butanone | Keigo Nishihira, Shuji Tanaka | 1994-01-04 |