Inventor · disambiguated record
Toshiaki Sugawara
Also filed as: OOSAKI KEIZO · SUGAWARA TOSHIAKI
25 granted patents·2 pending applications·53 citations·filing 1978–2022
92Inventor score
Top patents by PatentIndex Score
27 records- 0186US11543702B2Polarizer and optical apparatusDEXERIALS CORP·Filed 2020·Granted Jan 3, 2023·2 cites·11 claims
- 0277US11971568B2Polarizing plate, manufacturing method thereof, and optical deviceDEXERIALS CORP·Filed 2019·Granted Apr 30, 2024·2 cites·9 claims
- 0376US10436964B2Inorganic polarizing plate, method of manufacturing the same, and optical instrumentDEXERIALS CORP·Filed 2018·Granted Oct 8, 2019·2 cites·16 claims
- 0475US6853280B2Method of magnetizing magnetic sheet and magnetization apparatusSONY CORP·Filed 2002·Granted Feb 8, 2005·16 cites·5 claims
- 0568US11573362B2Optical element and projection image display apparatusDEXERIALS CORP·Filed 2022·Granted Feb 7, 2023·0 cites·19 claims
- 0661US11249233B2Thin film for optical element, method of manufacturing thin film for optical element, inorganic polarizing plate, method of manufacturing inorganic polarizing plate, optical element, and optical deviceDEXERIALS CORP·Filed 2020·Granted Feb 15, 2022·0 cites·11 claims
- 0760US4659506AGranular stabilizer for chlorine-containing polymers and process for preparation thereofMIZUSAWA INDUSTRIAL CHEM·Filed 1984·Granted Apr 21, 1987·12 cites·14 claims
- 0860US2007045081A1Currency sorting/cleaning case and currency sorting caseSUGAWARA TOSHIAKI·Filed 2006·Application pending·0 cites
- 0957US11112550B2Polarizing plate, optical apparatus and method of manufacturing polarizing plateDEXERIALS CORP·Filed 2019·Granted Sep 7, 2021·0 cites·4 claims
- 1057US10996388B2Manufacturing method of phase difference element, phase difference element, and projection image display deviceDEXERIALS CORP·Filed 2019·Granted May 4, 2021·0 cites·20 claims
- 1157US10928574B2Polarizing plate, production method thereof and optical apparatusDEXERIALS CORP·Filed 2019·Granted Feb 23, 2021·0 cites·13 claims
- 1256US11500140B2Polarizing plate and optical apparatus having tip portions with continuous curved surfaceDEXERIALS CORP·Filed 2019·Granted Nov 15, 2022·0 cites·8 claims
- 1355US11294114B2Optical element and projection image display apparatusDEXERIALS CORP·Filed 2018·Granted Apr 5, 2022·0 cites·2 claims
- 1450US12235481B2Polarizing plateDEXERIALS CORP·Filed 2019·Granted Feb 25, 2025·0 cites·14 claims
- 1550US11579350B2Wire grid polarization plate having dielectric layer with concave portionsDEXERIALS CORP·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 1649US11966068B2Inorganic wave plate and manufacturing method thereforDEXERIALS CORP·Filed 2019·Granted Apr 23, 2024·0 cites·5 claims
- 1749US11385389B2Polarizing plate having discontinuous water-repellent portion and manufacturing method thereofDEXERIALS CORP·Filed 2019·Granted Jul 12, 2022·0 cites·8 claims
- 1848US10935697B2Resin composition including acrylic block copolymer and light diffusing agentKURARAY CO·Filed 2018·Granted Mar 2, 2021·0 cites·11 claims
- 1946US10042176B2Polarization conversion element, polarization-conversion-element manufacturing method, light-source unit, and optical deviceDEXERIALS CORP·Filed 2014·Granted Aug 7, 2018·0 cites·25 claims
- 2044US11086062B2Circumferentially light-emitting type thermoplastic resin molded bodyFUKUVI CHEMICAL IND CO LTD·Filed 2018·Granted Aug 10, 2021·0 cites·6 claims
- 2144US11029458B2Polarizing plate and optical apparatus including the sameDEXERIALS CORP·Filed 2018·Granted Jun 8, 2021·0 cites·3 claims
- 2244US11009789B2Pattern formation method and method for manufacturing polarizing plateDEXERIALS CORP·Filed 2019·Granted May 18, 2021·0 cites·8 claims
- 2344US10563001B2Acrylic block copolymer, resin composition and shaped article including the same, and optical componentKURARAY CO·Filed 2016·Granted Feb 18, 2020·0 cites·6 claims
- 2440US4871498AProcess for preparation of granular stabilizer for chlorine-containing polymersMIZUSAWA INDUSTRIAL CHEM·Filed 1987·Granted Oct 3, 1989·5 cites·13 claims
- 2539US2009146898A1Antenna Module-Use Magnetic Core Member, Antenna Module, and Portable Information Terminal Having the SameSONY CORP·Filed 2005·Application pending·0 cites
- 2638US4208015AMethod of regeneration of plastics material by removing outer deteriorated layerMEIJI GOMU KASEI KK·Filed 1978·Granted Jun 17, 1980·7 cites·8 claims
- 2736US5648413AStabilizer for chlorine-containing polymers, process for the preparation thereof and chlorine-containing polymer compositionMIZUSAWA IND CHEMICALS INC·Filed 1996·Granted Jul 15, 1997·7 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →