Inventor · disambiguated record
Shuji Sakamoto
Also filed as: SAKAMOTO SHUJI
24 granted patents·9 pending applications·210 citations·filing 1978–2025
95Inventor score
Top patents by PatentIndex Score
33 records- 0186US5213924AElectrophotographic photoreceptor containing polycarbonate resin as binder resinIDEMITSU KOSAN CO·Filed 1991·Granted May 25, 1993·35 cites·18 claims
- 0280US4189678ACombination VHF-UHF tuner for use in a television receiverSANYO ELECTRIC CO·Filed 1978·Granted Feb 19, 1980·12 cites·2 claims
- 0379US6043334APolycarbonate resin, crosslinked polycarbonate resin and electrophotographic photoreceptorIDEMITSU KOSAN CO·Filed 1996·Granted Mar 28, 2000·35 cites·16 claims
- 0476US5389444AOrganic electroluminescence deviceIDEMITSU KOSAN CO·Filed 1992·Granted Feb 14, 1995·38 cites·25 claims
- 0573US5506331APolyester polymer, production thereof and electrophotographic photoreceptor using the sameIDEMITSU KOSAN CO·Filed 1993·Granted Apr 9, 1996·18 cites·8 claims
- 0673US2023255857A1Dental composition containing ion sustained-release glassSHOFU INC·Filed 2023·Application pending·0 cites
- 0769US9975140B2Applicator that allows easy mounting and removal of cartridgeSHOFU INC·Filed 2016·Granted May 22, 2018·1 cites·2 claims
- 0868US4985326AElectrophotographic photoreceptorIDEMITSU KOSAN CO·Filed 1989·Granted Jan 15, 1991·16 cites·17 claims
- 0967US10010382B2Piston easily mountable to cartridge and method of inserting the pistonSHOFU INC·Filed 2016·Granted Jul 3, 2018·1 cites·1 claims
- 1066US11559471B2Dental composition containing ion sustained-release glassSHOFU INC·Filed 2018·Granted Jan 24, 2023·0 cites·20 claims
- 1165US9162199B2Two-component mixing container including piston using spring engagementPENTEL KK·Filed 2014·Granted Oct 20, 2015·2 cites·10 claims
- 1265US9156014B2Two-component mixing container with communication passage of liquid-tight structurePENTEL KK·Filed 2014·Granted Oct 13, 2015·1 cites·2 claims
- 1365US2024173211A1Dental resin-reinforced glass ionomer cement kitSHOFU INC·Filed 2023·Application pending·0 cites
- 1465US2024076230A1Method for producing acid-reactive glass powder, acid-reactive glass powder obtained by the production method, and dental glass ionomer cement composition containing the sameSHOFU KK·Filed 2023·Application pending·0 cites
- 1564US2025195336A1Dental resin-reinforced glass ionomer cement composition for luting excellent in adhesive property and removability of excess cementSHOFU INC·Filed 2024·Application pending·0 cites
- 1661US6136521APolycarbonate, and molding and electrophotographic photoreceptor prepared therefromIDEMITSU KOSAN CO·Filed 1998·Granted Oct 24, 2000·16 cites·17 claims
- 1760US12194114B2Dental glass ionomer cement composition suitable for mechanical mixingSHOFU KK·Filed 2021·Granted Jan 14, 2025·0 cites·6 claims
- 1860US5521041APolycarbonate, method of preparing the same and electrophotographic photoreceptor produced by using the sameIDEMITSU KOSAN CO·Filed 1993·Granted May 28, 1996·12 cites·8 claims
- 1959US11504306B2Dental glass ionomer cement compositionSHOFU INC·Filed 2020·Granted Nov 22, 2022·0 cites·4 claims
- 2058US5561017APolyester polymer, production thereof and electrophotographic photoreceptor using the sameIDEMITSU KOSAN CO·Filed 1995·Granted Oct 1, 1996·12 cites·6 claims
- 2157US11648184B2Dental composition containing ion sustained-release glassSHOFU INC·Filed 2015·Granted May 16, 2023·0 cites·17 claims
- 2254US2022015991A1Dental glass ionomer cement compositions containing polysaccharide nanofiberSHOFU KK·Filed 2021·Application pending·0 cites
- 2351US2025367080A1Dental glass ionomer cement compositionSHOFU INC·Filed 2025·Application pending·0 cites
- 2449US5197057ADisc changer with dust coverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 23, 1993·10 cites·6 claims
- 2548US10307344B2Two-paste type sealer composition for root canal fillingSHOFU INC·Filed 2017·Granted Jun 4, 2019·0 cites·12 claims
- 2646US10463581B2Sealer composition for root canal fillingSHOFU INC·Filed 2017·Granted Nov 5, 2019·0 cites·4 claims
- 2746US9271807B2Nozzle mounting structure of component containerPENTEL KK·Filed 2014·Granted Mar 1, 2016·0 cites·11 claims
- 2840US2017014856A1Cartridge that prevents nozzle from slipping offSHOFU INC·Filed 2016·Application pending·0 cites
- 2940US2017014858A1Applicator with plunger having movable range restricted by resistance structureSHOFU INC·Filed 2016·Application pending·0 cites
- 3038US4892924APolycarbonate containing compound from bis(3-phenyl-4-hydroxyphenyl)IDEMITSU KOSAN CO·Filed 1988·Granted Jan 9, 1990·1 cites·12 claims
- 3138US2006263976A1Semiconductor device with capacitor structure for improving area utilizationSAKAMOTO SHUJI·Filed 2006·Application pending·0 cites
- 3232US5151531ADihydric phenolsIDEMITSU KOSAN CO·Filed 1988·Granted Sep 29, 1992·0 cites·5 claims
- 3325US4923962AOptical disk substrate comprising aromatic polycarbonateIDEMITSU KOSAN CO·Filed 1988·Granted May 8, 1990·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →