Inventor · disambiguated record
Masami Shirao
Also filed as: SHIRAO MASAMI
6 granted patents·49 citations·filing 1989–2001
81Inventor score
Files withTOYO INK MFG CO6
Top patents by PatentIndex Score
6 records- 0184US5282896AProcess for producing phthalocyanine pigment composition containing highly halogenated different-metalo-phthalocyanineTOYO INK MFG CO·Filed 1991·Granted Feb 1, 1994·24 cites·8 claims
- 0268US4948884AProcess for the halogenation of copper phthalocyanineTOYO INK MFG CO·Filed 1989·Granted Aug 14, 1990·10 cites·4 claims
- 0357US5556966AProcess for the production of aluminum phthalocyanine compositionTOYO INK MFG CO·Filed 1994·Granted Sep 17, 1996·6 cites·9 claims
- 0452US6303762B1Method of producing disazo pigmentTOYO INK MFG CO·Filed 2001·Granted Oct 16, 2001·2 cites·10 claims
- 0550US5286855AProcess for producing polyhalogenated phthalocyanineTOYO INK MFG CO·Filed 1991·Granted Feb 15, 1994·4 cites·5 claims
- 0631US5223027APolyhalogenated phthalocyanine, process for the production thereof, and use thereofTOYO INK MFG CO·Filed 1991·Granted Jun 29, 1993·3 cites·11 claims
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