Inventor · disambiguated record
Tomio Segawa
Also filed as: MATSUURA RYO · SEGAWA TOMIO
4 granted patents·15 citations·filing 1978–1990
71Inventor score
Files withKAWASAKI KASEI CHEMICALS4
Top patents by PatentIndex Score
4 records- 0156US4906747AProcess for producing a metal phthalocyanine and/or its derivativeKAWASAKI KASEI CHEMICALS·Filed 1988·Granted Mar 6, 1990·5 cites·3 claims
- 0249US4218376AProcess for producing highly chlorinated copper phthalocyanineKAWASAKI KASEI CHEMICALS·Filed 1978·Granted Aug 19, 1980·3 cites·8 claims
- 0347US5153314AProcess for producing a copper phthalocyanine compoundKAWASAKI KASEI CHEMICALS·Filed 1990·Granted Oct 6, 1992·4 cites·12 claims
- 0437US4330470AProcess for producing highly chlorinated copper phthalocyanineKAWASAKI KASEI CHEMICALS·Filed 1980·Granted May 18, 1982·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →