Inventor · disambiguated record
Masayuki Hirokawa
Also filed as: HIROKAWA MASAYUKI
12 granted patents·1 pending application·113 citations·filing 1986–2017
90Inventor score
Files withMITSUBISHI ELECTRIC CORP4RENESAS ELECTRONICS CORP4OSHIDA DAISUKE2ISHIDA TAKAYUKI1MATSUOKA KAZUNARI1
Top patents by PatentIndex Score
13 records- 0188US8536826B2Data processing system, electronic vehicle and maintenance service systemMATSUOKA KAZUNARI·Filed 2010·Granted Sep 17, 2013·33 cites·21 claims
- 0286US10469256B2Cryptographic communication system and cryptographic communication methodRENESAS ELECTRONICS CORP·Filed 2017·Granted Nov 5, 2019·4 cites·25 claims
- 0382US8782432B2Semiconductor deviceOSHIDA DAISUKE·Filed 2012·Granted Jul 15, 2014·6 cites·11 claims
- 0476US9608818B2Cryptographic communication system and cryptographic communication methodRENESAS ELECTRONICS CORP·Filed 2015·Granted Mar 28, 2017·2 cites·17 claims
- 0574US9300470B2Semiconductor device and method of writing data to semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2015·Granted Mar 29, 2016·2 cites·13 claims
- 0673US9026882B2Semiconductor device and method of writing data to semiconductor deviceOSHIDA DAISUKE·Filed 2012·Granted May 5, 2015·3 cites·25 claims
- 0756US9245153B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Jan 26, 2016·0 cites·8 claims
- 0854US4999768AData transfer control units each of which comprises processors and dual-part memoryMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Mar 12, 1991·30 cites·4 claims
- 0950US9363082B2Cryptographic communication system and cryptographic communication methodSHIOTA SHIGEMASA·Filed 2012·Granted Jun 7, 2016·0 cites·18 claims
- 1045US2011083161A1Vehicle, maintenance device, maintenance service system, and maintenance service methodISHIDA TAKAYUKI·Filed 2008·Application pending·0 cites
- 1143US5057998AData transfer control unitMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 15, 1991·16 cites·5 claims
- 1241US4742452AComputer system including address driven program interrupt systemMITSUBISHI ELECTRIC CORP·Filed 1986·Granted May 3, 1988·12 cites·4 claims
- 1332US5530826ARead only memory with a data compression systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jun 25, 1996·5 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Masayuki Hirokawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →