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 patentsUS5235068AAug 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 patentsUS6711979B1Mar 30, 2004
Cutting method of ceramic honeycomb formed body
NGK INSULATORS LTD22 citations92
US6520061B2Feb 18, 2003
Cutting apparatus for ceramic green bodies
NGK INSULATORS LTD18 citations92
US6742424B2Jun 1, 2004
Cutting apparatus for ceramic green bodies
NGK INSULATORS LTD10 citations73
US6736258B2May 18, 2004
Apparatus for supplying raw materials at constant amounts
NGK INSULATORS LTD8 citations68
US10207442B2Feb 19, 2019
Continuous extrusion forming apparatus
NGK INSULATORS LTD0 citations41
CANON KK
4 patentsUS12506940B2Dec 23, 2025
Image pickup apparatus with high heat dissipation performance
CANON KK0 citations52
US12088903B2Sep 10, 2024
Electronic device
CANON KK0 citations52
US12470791B2Nov 11, 2025
Electronic apparatus capable of performing control based on temperature and control method
CANON KK0 citations51
US11895388B2Feb 6, 2024
Shutter unit and image pickup apparatus
CANON KK0 citations50
PANASONIC CORP
3 patentsUEDA YUJI
2 patentsTOKYO ELECTRON LTD
2 patentsPANASONIC IP MAN CO LTD
2 patentsHITACHI METALS LTD
1 patentYAHOO JAPAN CORP
1 patentTOKYO SHIBAURA ELECTRIC CO
1 patentKOBE STEEL LTD
1 patentTOYO SEIKAN CO LTD
1 patentOGASAWARA KAZUMASA
1 patentTORAY INDUSTRIES
1 patentFUJITA SHIGEO
1 patentHIROTSU BIO SCIENCE INC
1 patentShowing the top 50 of 53 patents by PatentIndex Score.