Assignee
SEIKISUI KAGAKU KOGYO KABUSHIK
JP·4 granted patents·68 citations·filing 1978–1996
Top patents by PatentIndex Score
4 records- 0172US4229495ACoating method and article produced therebySEIKISUI KAGAKU KOGYO KABUSHIK·Filed 1978·Granted Oct 21, 1980·19 cites·14 claims
- 0266US4678161ABall valveSEIKISUI KAGAKU KOGYO KABUSHIK·Filed 1986·Granted Jul 7, 1987·27 cites·5 claims
- 0353US5918853AVacuum valve control device and vacuum valveSEIKISUI KAGAKU KOGYO KABUSHIK·Filed 1996·Granted Jul 6, 1999·16 cites·1 claims
- 0443US5091535AOrganic photochromic compound, a dimer of pyrido quinolineSEIKISUI KAGAKU KOGYO KABUSHIK·Filed 1990·Granted Feb 25, 1992·6 cites·1 claims
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