Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257770 | Disazo dye composition | Nobuzi Nishimura, Masayuki Tsuji, Seizo Konishi, Tadashi Yamamoto, Takemi Tokieda +1 more | 1981-03-24 |
| 4230852 | Triazinyl-antraquinone dyes | Yoshihisa Sueda, Kazuyoshi Hirabayashi, Hirohito Kenmochi, Hisashige Terao, Yoshio Mori | 1980-10-28 |