Inventor · disambiguated record
Chikaya Tamitsuji
Also filed as: TAMITSUJI CHIKAYA
15 granted patents·6 pending applications·33 citations·filing 2007–2021
88Inventor score
Top patents by PatentIndex Score
21 records- 0195US11898018B2Liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cellAGC INC·Filed 2021·Granted Feb 13, 2024·2 cites·18 claims
- 0294US11840589B2Perfluoropolymer, liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte water electrolyzerAGC INC·Filed 2021·Granted Dec 12, 2023·2 cites·11 claims
- 0391US11414502B2Fluorosulfonyl group or sulfonic acid group-containing polymer, its production method and its applicationAGC INC·Filed 2020·Granted Aug 16, 2022·2 cites·29 claims
- 0486US8656735B2Method for treating surface of oxide glass with fluorinating agentTAMITSUJI CHIKAYA·Filed 2009·Granted Feb 25, 2014·19 cites·15 claims
- 0585US11242420B2Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methodsAGC INC·Filed 2020·Granted Feb 8, 2022·1 cites·10 claims
- 0679US8240172B2Process for production of synthetic quartz glassTAMITSUJI CHIKAYA·Filed 2011·Granted Aug 14, 2012·3 cites·18 claims
- 0778US12187821B2Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methodsAGC INC·Filed 2021·Granted Jan 7, 2025·0 cites·4 claims
- 0877US7934391B2Synthetic quartz glass body, process for producing the same, optical element, and optical apparatusASAHI GLASS CO LTD·Filed 2009·Granted May 3, 2011·4 cites·8 claims
- 0969US12098226B2Polymer, method for producing polymer, and method for producing membraneAGC INC·Filed 2021·Granted Sep 24, 2024·0 cites·22 claims
- 1065US12503583B2Perfluoropolymer, liquid composition, polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cellAGC INC·Filed 2021·Granted Dec 23, 2025·0 cites·13 claims
- 1162US11851508B2Acid-type sulfonic acid group-containing polymer, liquid composition, polymer electrolyte membrane, membrane electrode assembly, polymer electrolyte fuel cell and ion exchange membrane for water electrolysisAGC INC·Filed 2021·Granted Dec 26, 2023·0 cites·20 claims
- 1255US10975053B2Production methods for 1,3-dioxolane compound and perfluoro(2,2-dimethyl-1,3-dioxole)AGC INC·Filed 2020·Granted Apr 13, 2021·0 cites·10 claims
- 1353US8043668B2Method for production of an ethylene/tetrafluorideethylene copolymer molded productASAHI GLASS CO LTD·Filed 2009·Granted Oct 25, 2011·0 cites·14 claims
- 1449US2011151194A1Synthetic quartz glass body, process for producing the same, optical element, and optical apparatusASAHI GLASS CO LTD·Filed 2011·Application pending·0 cites
- 1549US2007228617A1Ethylene/tetrafluoroethylene copolymer molding and method for its productionASAHI GLASS CO LTD·Filed 2007·Application pending·0 cites
- 1648US2007202340A1Fluorocarbon film and process for its productionASAHI GLASS CO LTD·Filed 2007·Application pending·0 cites
- 1747US2010080903A1Fluoropolymer thin film and method for its productionASAHI GLASS CO LTD·Filed 2009·Application pending·0 cites
- 1845US10038188B2Cathode active material, process for its production, cathode and lithium ion secondary batteryASAHI GLASS CO LTD·Filed 2015·Granted Jul 31, 2018·0 cites·9 claims
- 1943US8735308B2Optical member comprising TiO2-containing silica glassKOIKE AKIO·Filed 2010·Granted May 27, 2014·0 cites·19 claims
- 2042US2011239706A1Method for production of synthetic quartz glassASAHI GLASS CO LTD·Filed 2011·Application pending·0 cites
- 2142US2011239707A1Method for production of synthetic quartz glassASAHI GLASS CO LTD·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →