Inventor · disambiguated record
Maki Hirakawa
Also filed as: HIRAKAWA MAKI
18 granted patents·612 citations·filing 1996–2024
95Inventor score
Technology areasA61H
Files withMATSUSHITA ELECTRIC WORKS LTD8SONY COMPUTER ENTERTAINMENT INC6SONY CORP2TORAY INDUSTRIES1ZOJIRUSHI CORP1
Top patents by PatentIndex Score
18 records- 0199USD504872SRemote controllerSONY CORP·Filed 2003·Granted May 10, 2005·155 cites·1 claims
- 0298USD512417SNoise cancellerSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted Dec 6, 2005·166 cites·1 claims
- 0396USD403070SSphygmomanometerMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Dec 22, 1998·87 cites·1 claims
- 0488USD400262SCombined nerve and muscle stimulatorMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Oct 27, 1998·35 cites·1 claims
- 0588USD398999SSphygmomanometerMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Sep 29, 1998·36 cites·1 claims
- 0687USD406346SSphygmomanometerMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Mar 2, 1999·33 cites·1 claims
- 0783USD494167SPortable information terminalSONY CORP·Filed 2003·Granted Aug 10, 2004·27 cites·1 claims
- 0861US5997489AMassager with rotatable head and rollerMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Dec 7, 1999·36 cites·22 claims
- 0953USD511769SHolder for headphoneSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted Nov 22, 2005·8 cites·1 claims
- 1051USD400260SElectric massagerMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Oct 27, 1998·7 cites·1 claims
- 1147USD1106742SRice cookerZOJIRUSHI CORP·Filed 2024·Granted Dec 23, 2025·0 cites·1 claims
- 1245USD521502SHeadphoneSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted May 23, 2006·5 cites·1 claims
- 1345USD510086SHolder for headphoneSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted Sep 27, 2005·5 cites·1 claims
- 1442USD513249SHeadphoneSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted Dec 27, 2005·4 cites·1 claims
- 1537USD785753SShower headTORAY INDUSTRIES·Filed 2015·Granted May 2, 2017·3 cites·1 claims
- 1637USD413536SInstrument for measuring fat in the human bodyMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Sep 7, 1999·3 cites·1 claims
- 1733USD514550SHeadphoneSONY COMPUTER ENTERTAINMENT INC·Filed 2004·Granted Feb 7, 2006·1 cites·1 claims
- 1832USD411305SHead for an electric massage apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Jun 22, 1999·1 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →