Inventor · disambiguated record
Ryotaro Umezu
Also filed as: UMEZU Ryotaro
4 granted patents·1 pending application·6 citations·filing 2018–2023
65Inventor score
Files withMITSUBISHI GAS CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0192US12202786B2Method for producing aromatic nitrile compound and method for producing carbonate esterMITSUBISHI GAS CHEMICAL CO·Filed 2023·Granted Jan 21, 2025·2 cites·5 claims
- 0287US11970442B2Method for producing carbonic esterMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Apr 30, 2024·2 cites·13 claims
- 0385US11596936B2Method for regenerating catalyst and method for producing carbonate esterMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Mar 7, 2023·2 cites·14 claims
- 0470US11673856B2Method for producing aromatic nitrile compound and method for producing carbonate esterMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Jun 13, 2023·0 cites·11 claims
- 0552US2024261730A1Method for producing 2-furonitrile and method for producing carbonic acid esterMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →