Inventor · disambiguated record
Hiroyuki Uhara
Also filed as: TAKADA MASAHIRO · UHARA HIROYUKI
6 granted patents·253 citations·filing 1978–2003
84Inventor score
Files withNIPPON CATALYTIC CHEM IND3NIPPON SKOKUBEI KAGAKU KOGYO C1SUMITOMO CHEMICAL CO1SUMITOMO CHENICAL CO1
Top patents by PatentIndex Score
6 records- 0197US4203906AProcess for catalytic vapor phase oxidationNIPPON CATALYTIC CHEM IND·Filed 1978·Granted May 20, 1980·94 cites·13 claims
- 0294US4256783ACatalytic vapor phase oxidation reactor apparatusNIPPON SKOKUBEI KAGAKU KOGYO C·Filed 1979·Granted Mar 17, 1981·105 cites·9 claims
- 0387US4954650AMethod for production of methacrylic acidSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 4, 1990·29 cites·9 claims
- 0483US5264627AMethod for production of methacrylic acidNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Nov 23, 1993·25 cites·9 claims
- 0539US6699999B2Process for producing pyromellitic anhydrideNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Mar 2, 2004·0 cites·2 claims
- 0630US7253309B2Method for production of methacrylic acidSUMITOMO CHENICAL CO·Filed 2003·Granted Aug 7, 2007·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →