Inventor · disambiguated record

Motohachi Usui

Also filed as: SHIMIZU SENZO · USUI MOTOHACHI

3 granted patents·11 citations·filing 1978–1981

62Inventor score

Technology areasC08G

Files withMITSUBISHI GAS CHEMICAL CO3

Top patents by PatentIndex Score

3 records

0144US4395534AProcess for producing aromatic polyester carbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted Jul 26, 1983·7 cites·10 claims
0231US4212951AProcess for the isolation of polyarylene estersMITSUBISHI GAS CHEMICAL CO·Filed 1978·Granted Jul 15, 1980·1 cites·13 claims
0330US4362858AProcess for producing an aromatic polyester copolymerMITSUBISHI GAS CHEMICAL CO·Filed 1981·Granted Dec 7, 1982·3 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →