Inventor · disambiguated record
Seiichiro Hayakawa
Also filed as: HAYAKAWA SEIICHIRO
4 granted patents·37 citations·filing 1989–2002
74Inventor score
Top patents by PatentIndex Score
4 records- 0160US6759104B2Photocurable composition, cured product and process for producing the sameMITSUBISHI CHEM CORP·Filed 2002·Granted Jul 6, 2004·5 cites·13 claims
- 0252US5801884AOptical device and process for producing the sameMITSUBISHI CHEM CORP·Filed 1996·Granted Sep 1, 1998·18 cites·19 claims
- 0344US4990653ASulfur-containing acryl oligomer compositionMITSUBISHI PETROCHEMICAL CO·Filed 1989·Granted Feb 5, 1991·13 cites·5 claims
- 0419US5191061AResin for high-refraction lens containing a sulfur-containing aromatic(meth)acrylate and a mercapto compoundMISUBISHI PETROCHEMICAL CO LTD·Filed 1991·Granted Mar 2, 1993·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →