Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885323 | Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-triazines | Motonobu Minagawa, Yutaka Nakahara, Etsuo Tobita | 1989-12-05 |
| 4866199 | Optically active ester compound | Masaki Kimura, Norio Kurosawa | 1989-09-12 |
| 4844836 | Optically active cyanobiphenyl compound | Norio Kurosawa | 1989-07-04 |
| 4831143 | Pyrimidine compound | Masaki Kimura, Norio Kurosawa | 1989-05-16 |
| 4804759 | Pyrimidine compound | Norio Kurosawa | 1989-02-14 |