Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220027 | Sulfone-containing azamethide compounds with a nitrogen-containing aromatic ring of nitrogen containing aliphatic | Takeshi Hioki, Jun Tomioka | 1993-06-15 |
| 5136054 | Sulfone-containing azamethine compounds | Takeshi Hioki, Jun Tomioka | 1992-08-04 |
| 5061796 | Azamethine compounds | Takeshi Hioki, Jun Tomioka | 1991-10-29 |
| 5028708 | Azamethinyl quinoline derivatives | Takeshi Hioki, Jun Tomioka | 1991-07-02 |
| 4755012 | Ray absorption filter | — | 1988-07-05 |
| 4529406 | Nitrothiazolyl-monoazo-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline compounds for polyester | Kiyoyasu Hashimoto, Akira Murata, Toshio Nakamatzu, Akira Takeshita | 1985-07-16 |
| 4331584 | Styryl compounds and coloring synthetic resins therewith | Masao Nishikuri, Michio Yamazaki, Junzaburo Seino, Hirohito Kenmochi | 1982-05-25 |