Inventor · disambiguated record
Motoo Shigeyasu
Also filed as: KITAMURA TAKEHIKO · SHIGEYASU MOTOO
9 granted patents·349 citations·filing 1974–1980
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US4327226AProcess and apparatus for producing aromatic dicarboxylic acidsMATSUYAMA PETROCHEMICALS INC·Filed 1980·Granted Apr 27, 1982·82 cites·31 claims
- 0296US4062654AApparatus for continuous liquid-phase oxidation reactionMATSUYAMA PETROCHEMICALS INC·Filed 1974·Granted Dec 13, 1977·61 cites·11 claims
- 0393US4370496AProcess for continuous production of high purity terephthalic acidMATSUYAMA PETROCHEMICALS INC·Filed 1978·Granted Jan 25, 1983·91 cites·17 claims
- 0484US3956175AMethod for recovering a liquid-phase oxidation catalyst for preparation of terephthalic acidMATSUYAMA PETROCHEMICALS INC·Filed 1974·Granted May 11, 1976·19 cites·21 claims
- 0582US4160108AProcess for producing terephthalic acidMATSUYAMA PETROCHEMICALS INC·Filed 1977·Granted Jul 3, 1979·34 cites·14 claims
- 0679US4159307AApparatus for producing aromatic dicarboxylic acidsMATSUYAMA PETROCHEMICALS INC·Filed 1977·Granted Jun 26, 1979·24 cites·12 claims
- 0775US3970696AProcess for producing aromatic carboxylic acidMATSUYAMA PETROCHEMICALS INC·Filed 1974·Granted Jul 20, 1976·25 cites·10 claims
- 0845US3959449AMethod of recovering heavy metal [-bromine] bromides and hydrobromic acid catalysts for liquid-phase oxidation [catalyst]MATSUYAMA PETROCHEMICALS INC·Filed 1974·Granted May 25, 1976·9 cites·20 claims
- 0939US4189603AProcess for producing high-quality terephthalic acid suitable for use in direct polymerizationMARUZEN OIL CO LTD·Filed 1978·Granted Feb 19, 1980·4 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →