Kawashita; Hideo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawashita; Hideo.The latest application filed is for "trisazo compound imparting black color, method for dyeing by using it and ink containing it".
- Kawashita; Hideo - Minoo JP
- Kawashita; Hideo - Osaka JP
- Kawashita; Hideo - Ibaraki JP
| Patent | Date |
|---|---|
| Trisazo compound imparting black color, method for dyeing by using it and ink containing it Grant 5,489,671 - Ogino , et al. February 6, 1 | 1996-02-06 |
| Ink compositions for ink jet recording Grant 5,183,501 - Kawashita , et al. February 2, 1 | 1993-02-02 |
| Monoazo dyestuffs containing substituted amino triazine Grant 4,771,129 - Kawashita , et al. September 13, 1 | 1988-09-13 |
| Trisazo compounds useful in producing water-resistant ink compositions Grant 4,734,489 - Kawasaki , et al. March 29, 1 | 1988-03-29 |
| Copper phthalocyanine compound and aqueous ink composition comprising the same Grant 4,732,615 - Kawashita , et al. March 22, 1 | 1988-03-22 |
| Aqueous ink composition Grant 4,605,442 - Kawashita , et al. August 12, 1 | 1986-08-12 |
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