P

Inventor

UEDA YUJI

JP53 patents
⚠️ This page may combine multiple inventors who share the name “UEDA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO CHEMICAL CO

23 patents
US5235068AAug 10, 1993

Process for producing acylaromatic compounds

SUMITOMO CHEMICAL CO25 citations91
US5585218ADec 17, 1996

Photoresist composition containing alkyletherified polyvinylphenol

SUMITOMO CHEMICAL CO24 citations90
US4308110ADec 29, 1981

Process for separation and purification of dihydric phenols

SUMITOMO CHEMICAL CO21 citations80
US5846688ADec 8, 1998

Photoresist composition

SUMITOMO CHEMICAL CO6 citations73
US5420331AMay 30, 1995

Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same

SUMITOMO CHEMICAL CO5 citations73
US5397679AMar 14, 1995

Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same

SUMITOMO CHEMICAL CO8 citations73
US5304456AApr 19, 1994

Negative photoresist composition

SUMITOMO CHEMICAL CO17 citations73
US4957867ASep 18, 1990

Production of cyclopentenones by enzyme resolution

SUMITOMO CHEMICAL CO10 citations72
US4336109AJun 22, 1982

Method for the recovery of acetone

SUMITOMO CHEMICAL CO8 citations72
US3953521AApr 27, 1976

Process for the continuous production of dihydroperoxides

SUMITOMO CHEMICAL CO12 citations72
US3950431AApr 13, 1976

Process for removing impurities in an oxidation mixture

SUMITOMO CHEMICAL CO7 citations72
US3933921AJan 20, 1976

Process for the production of hydroperoxides

SUMITOMO CHEMICAL CO14 citations72
US4059637ANov 22, 1977

Method for extraction of dihydroperoxide

SUMITOMO CHEMICAL CO7 citations70
US5800966ASep 1, 1998

Positive photoresist composition

SUMITOMO CHEMICAL CO3 citations62
US5395727AMar 7, 1995

Positive resist composition containing a novolak resin made from an aldehyde and dimer of isopropenyl phenol

SUMITOMO CHEMICAL CO5 citations62
US4021495AMay 3, 1977

Purification of β-naphthol

SUMITOMO CHEMICAL CO6 citations62
US4812585AMar 14, 1989

Process for producing 2-aceylfuran derivatives

SUMITOMO CHEMICAL CO4 citations61
US3969420AJul 13, 1976

Process for recovering resorcinol and hydroquinone in mixture

SUMITOMO CHEMICAL CO4 citations61
US3932528AJan 13, 1976

Process for the separation of dihydroperoxides

SUMITOMO CHEMICAL CO5 citations61
US6156476ADec 5, 2000

Positive photoresist composition

SUMITOMO CHEMICAL CO5 citations60
US4683323AJul 28, 1987

Method for inversion of optically active 4-hydroxy-2-cyclopentenones

SUMITOMO CHEMICAL CO0 citations52
US4352941AOct 5, 1982

Process for purification of phenylhydrazine

SUMITOMO CHEMICAL CO1 citations48
US4714782ADec 22, 1987

Process for preparing optically active 4-hydroxy-2-cyclopentenones

SUMITOMO CHEMICAL CO0 citations42

NGK INSULATORS LTD

5 patents

CANON KK

4 patents

PANASONIC CORP

3 patents

UEDA YUJI

2 patents

TOKYO ELECTRON LTD

2 patents

PANASONIC IP MAN CO LTD

2 patents

HITACHI METALS LTD

1 patent

YAHOO JAPAN CORP

1 patent

TOKYO SHIBAURA ELECTRIC CO

1 patent

KOBE STEEL LTD

1 patent

TOYO SEIKAN CO LTD

1 patent

OGASAWARA KAZUMASA

1 patent

TORAY INDUSTRIES

1 patent

FUJITA SHIGEO

1 patent

HIROTSU BIO SCIENCE INC

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.