Inventor · disambiguated record
Noboru Nakagawa
Also filed as: NAKAGAWA NOBORU
34 granted patents·2 pending applications·467 citations·filing 1980–2018
97Inventor score
Files withOILES INDUSTRY CO LTD12SAGINOMIYA SEISAKUSHO INC10TOKYO SHIBAURA ELECTRIC CO5NAKAGAWA NOBORU3SONY CORP3
Top patents by PatentIndex Score
36 records- 0195US5970390ATransmitter and automobile audio apparatus using the sameSONY CORP·Filed 1998·Granted Oct 19, 1999·122 cites·3 claims
- 0293US5247293ASignal reproducing apparatusSONY CORP·Filed 1991·Granted Sep 21, 1993·73 cites·4 claims
- 0385US5992459ARotary flow-path exchanging valveSAGINOMIYA SEISAKUSHO INC·Filed 1998·Granted Nov 30, 1999·42 cites·3 claims
- 0480US8616986B2Shaft coupling mechanismNAKAGAWA NOBORU·Filed 2010·Granted Dec 31, 2013·9 cites·2 claims
- 0577US9863482B2Shaft coupling mechanism for electric power steering apparatusOILES INDUSTRY CO LTD·Filed 2015·Granted Jan 9, 2018·2 cites·16 claims
- 0676US8506169B2Bush bearingNAKAGAWA NOBORU·Filed 2008·Granted Aug 13, 2013·9 cites·9 claims
- 0776US6244298B1Channel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the sameSAGINOMIYA SEISAKUSHO INC·Filed 2000·Granted Jun 12, 2001·16 cites·6 claims
- 0875US8834030B2Bush bearingOILES INDUSTRY CO LTD·Filed 2013·Granted Sep 16, 2014·2 cites·4 claims
- 0973US9334903B2Rotation transmitting member, coupling directly connected to shafts, and shaft connecting mechanismOILES INDUSTRY CO LTD·Filed 2012·Granted May 10, 2016·3 cites·18 claims
- 1072US9989084B2Slide bearingOILES INDUSTRY CO LTD·Filed 2016·Granted Jun 5, 2018·3 cites·4 claims
- 1172US6164331AChannel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the sameFiled 1997·Granted Dec 26, 2000·25 cites·9 claims
- 1271US11254347B2Rack bush and steering mechanismMAZDA MOTOR·Filed 2018·Granted Feb 22, 2022·3 cites·3 claims
- 1371US6231028B1Rotary channel-selector valveSAGINOMIYA SEISAKUSHO INC·Filed 2000·Granted May 15, 2001·11 cites·4 claims
- 1466US10508685B2Sliding bearing and bearing mechanism having the sameOILES INDUSTRY CO LTD·Filed 2016·Granted Dec 17, 2019·1 cites·7 claims
- 1565US9051973B2Shaft coupling mechanismOILES INDUSTRY CO LTD·Filed 2013·Granted Jun 9, 2015·3 cites·2 claims
- 1659US9744984B2Bush bearing and rack-and-pinion type steering apparatus for automobile using the sameOILES INDUSTRY CO LTD·Filed 2013·Granted Aug 29, 2017·2 cites·9 claims
- 1758US6125885ARotary channel-selector valveSAGINOMIYA SEISAKUSHO INC·Filed 1998·Granted Oct 3, 2000·15 cites·2 claims
- 1855US6247497B1Rotary channel-selector valveSAGINOMIYA SEISAKUSHO INC·Filed 2000·Granted Jun 19, 2001·4 cites·5 claims
- 1954US9279447B2Bush bearingOILES INDUSTRY CO LTD·Filed 2014·Granted Mar 8, 2016·0 cites·1 claims
- 2052US4340404ARefrigerating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Jul 20, 1982·15 cites·11 claims
- 2149US6230743B1Channel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the sameSAGINOMIYA SEISAKUSHO INC·Filed 2000·Granted May 15, 2001·3 cites·3 claims
- 2249US6076553ARotary flow-path exchanging valveSAGINOMIYA SEISAKUSHO INC·Filed 1999·Granted Jun 20, 2000·10 cites·2 claims
- 2349US5887066AHeadphone apparatusSONY CORP·Filed 1998·Granted Mar 23, 1999·20 cites·5 claims
- 2448US9388863B2Shaft coupling mechanismOILES INDUSTRY CO LTD·Filed 2013·Granted Jul 12, 2016·1 cites·2 claims
- 2548US4904318AMethod for manufacture of diaphragm and apparatus thereforTOYODA GOSEI KK·Filed 1988·Granted Feb 27, 1990·24 cites·7 claims
- 2647US5937902ARotary flow-path exchanging valveSAGINOMIYA SEISAKUSHO INC·Filed 1998·Granted Aug 17, 1999·15 cites·5 claims
- 2744US6216735B1Rotary channel-selector valveSAGINOMIYA SEISAKUSHO INC·Filed 2000·Granted Apr 17, 2001·2 cites·2 claims
- 2843US11091190B2Rack guide and gear mechanismOILES INDUSTRY CO LTD·Filed 2018·Granted Aug 17, 2021·0 cites·4 claims
- 2943US9790991B2Synthetic resin-made sliding bearingOILES INDUSTRY CO LTD·Filed 2014·Granted Oct 17, 2017·0 cites·12 claims
- 3042US2014312543A1Silencer for laminated leaf spring, and laminated leaf springOILES INDUSTRY CO LTD·Filed 2012·Application pending·0 cites
- 3140US4317335ARefrigerating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Mar 2, 1982·9 cites·5 claims
- 3238US4320629ARefrigerating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Mar 23, 1982·8 cites·1 claims
- 3337US4332138ARefrigerating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Jun 1, 1982·7 cites·8 claims
- 3435US6070613ARotary flow-path exchanging valveSAGINOMIYA SEISAKUSHO INC·Filed 1999·Granted Jun 6, 2000·4 cites·4 claims
- 3535US2012208649A1Shaft coupling mechanismNAKAGAWA NOBORU·Filed 2010·Application pending·0 cites
- 3631US4322952ARefrigerating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Apr 6, 1982·4 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Noboru Nakagawa 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 →