Inventor · disambiguated record
Takafumi Izawa
Also filed as: IZAWA TAKAFUMI
6 granted patents·4 pending applications·1 citations·filing 2012–2022
67Inventor score
Top patents by PatentIndex Score
10 records- 0189US12080890B2Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous materialKURARAY CO·Filed 2022·Granted Sep 3, 2024·1 cites·8 claims
- 0260US11637286B2Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous materialKURARAY CO·Filed 2018·Granted Apr 25, 2023·0 cites·12 claims
- 0359US11492260B2Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous materialKURARAY CO·Filed 2018·Granted Nov 8, 2022·0 cites·13 claims
- 0456US2023257491A1Vinyl acetate, vinyl acetate polymer, and vinyl alcohol polymerKURARAY CO·Filed 2021·Application pending·0 cites
- 0552US11345601B2Carbonaceous material for negative pole active substance of nonaqueous electrolyte secondary battery, negative pole for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing carbonaceous materialKURARAY CO·Filed 2017·Granted May 31, 2022·0 cites·7 claims
- 0652US10734650B2Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing carbonaceous material for non-aqueous electrolyte secondary batteryKURARAY CO·Filed 2016·Granted Aug 4, 2020·0 cites·11 claims
- 0748US11355755B2Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyteKURARAY CO·Filed 2016·Granted Jun 7, 2022·0 cites·20 claims
- 0840US2014166942A1Block copolymer and photoelectric conversion elementIZAWA TAKAFUMI·Filed 2012·Application pending·0 cites
- 0940US2014124710A1Block copolymer and photoelectric conversion elementIZAWA TAKAFUMI·Filed 2012·Application pending·0 cites
- 1038US2014084220A1Pi-electron conjugated block copolymer and photoelectric conversion elementINAGAKI TAKUYA·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →