Inventor · disambiguated record
Toshimasa Tokuda
Also filed as: TOKUDA TOSHIMASA
14 granted patents·254 citations·filing 1978–2003
93Inventor score
Top patents by PatentIndex Score
14 records- 0190US7244804B2Polycarbonate copolymer, resin composition, and molded articleTEIJIN CHEMICALS LTD·Filed 2003·Granted Jul 17, 2007·39 cites·26 claims
- 0290US6093784AElectrophotographic photoconductor and polycarbonate resin for use thereinRICOH KK·Filed 1994·Granted Jul 25, 2000·40 cites·28 claims
- 0388US5463013AModified aromatic polycarbonate resin, modified aromatic polyester carbonate resin, modified polyarylate, and molded articles therefromTEIJIN CHEMICALS LTD·Filed 1994·Granted Oct 31, 1995·42 cites·25 claims
- 0485US5599897AAromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the sameFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Feb 4, 1997·49 cites·7 claims
- 0571US7317067B2Polycarbonate copolymer, and heat resistant parts comprising the sameTEIJIN CHEMICALS LTD·Filed 2003·Granted Jan 8, 2008·8 cites·33 claims
- 0663US4222910AFire-retardant polycarbonate compositionTEIJIN CHEMICALS LTD·Filed 1978·Granted Sep 16, 1980·8 cites·9 claims
- 0754US5633060AOptical disk substrate, optical disk and aromatic polycarbonate resinTEIJIN CHEMICALS LTD·Filed 1995·Granted May 27, 1997·18 cites·34 claims
- 0852US5475786AAromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the sameFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Dec 12, 1995·14 cites·21 claims
- 0950US4316838AFire-retardant polycarbonate compositionTEIJIN CHEMICALS LTD·Filed 1980·Granted Feb 23, 1982·8 cites·4 claims
- 1050US4285855AFire-retardant polycarbonate compositionTEIJIN CHEMICALS LTD·Filed 1980·Granted Aug 25, 1981·8 cites·9 claims
- 1149US5409975AAromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the sameFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Apr 25, 1995·8 cites·9 claims
- 1241US5556904AAromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the sameFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Sep 17, 1996·5 cites·9 claims
- 1338US5352759ALens comprising a polycarbonate formed by an interfacial polycondensation reactionTEIJIN CHEMICALS LTD·Filed 1993·Granted Oct 4, 1994·3 cites·2 claims
- 1434US5496913AAromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the sameFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Mar 5, 1996·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →