Inventor · disambiguated record
Kei Uchiyama
Also filed as: UCHIYAMA KEI
3 granted patents·3 pending applications·0 citations·filing 2020–2024
44Inventor score
Files withMITSUBISHI CHEM CORP6
Top patents by PatentIndex Score
6 records- 0166US12215189B2Bisphenol composition and polycarbonate resinMITSUBISHI CHEM CORP·Filed 2021·Granted Feb 4, 2025·0 cites·15 claims
- 0263US2023340196A1Method for producing bisphenol a and method for producing polycarbonate resinMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 0360US2023322653A1Bisphenol production method , recycled polycarbonate resin production method, carbon dioxide production method, carbonic acid diester production method, epoxy resin production method, and epoxy resin cured product production methodMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 0457US11634373B2Bisphenol composition and method for producing same, and polycarbonate resin and method for producing sameMITSUBISHI CHEM CORP·Filed 2020·Granted Apr 25, 2023·0 cites·12 claims
- 0556US2025043073A1Composition containing bisphenol, production method for same, production method for bisphenol a, and production method for polycarbonate resinMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 0653US11427523B2Bisphenol composition containing aromatic alcohol sulfonate and method for producing same, polycarbonate resin and method for producing same, and bisphenol production methodMITSUBISHI CHEM CORP·Filed 2020·Granted Aug 30, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →