Inventor · disambiguated record
Ryuichiro Kawai
Also filed as: KAWAI RYUICHIRO
4 granted patents·2 pending applications·29 citations·filing 1987–2019
72Inventor score
Top patents by PatentIndex Score
6 records- 0170US10610834B2Asymmetric membraneMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Apr 7, 2020·1 cites·9 claims
- 0265US8433836B2Centralized master-slave-communication control system and method with multi-channel communication on the same lineMATSUMOTO ISAO·Filed 2010·Granted Apr 30, 2013·2 cites·18 claims
- 0364US5432477AWide frequency range amplifier apparatusSONY CORP·Filed 1993·Granted Jul 11, 1995·20 cites·19 claims
- 0450US2016250617A1Method for storing oxygen absorbing agentMITSUBISHI GAS CHEMICAL CO·Filed 2014·Application pending·0 cites
- 0540US2019099738A1Oxygen absorber composition, oxygen-absorbing multilayer body, oxygen-absorbing packet, and method for storing articleMITSUBISHI GAS CHEMICAL CO·Filed 2017·Application pending·0 cites
- 0639US4751577AGain control circuitSONY CORP·Filed 1987·Granted Jun 14, 1988·6 cites·15 claims
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