Inventor · disambiguated record
Tetsuo Sakagawa
Also filed as: SAKAGAWA TETSUO
4 granted patents·27 citations·filing 1988–1990
73Inventor score
Top patents by PatentIndex Score
4 records- 0161US5061290ARope dyeing process using halogen indigo derivative and dyed article thus obtainedMITSUI TOATSU CHEMICALS·Filed 1990·Granted Oct 29, 1991·14 cites·12 claims
- 0247US5034016ADye compositions for dyeing denim cotton yarn in a range of colors and dyeing process and dyed articles using sameMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jul 23, 1991·6 cites·14 claims
- 0335US4941887AQuinophtahalone derivatives for dyeing denim cotton yarn, optionally with indigo dyes to give yellow, green or black shadesSAKAGAWA TETSUO·Filed 1988·Granted Jul 17, 1990·6 cites·3 claims
- 0427US5122160ABenzoquinone dye, rope-dyeing dye compositions, cotton rope-dyeing methods using same, and the thus dyed materialsMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 16, 1992·1 cites·18 claims
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