Inventor · disambiguated record
Kenji Nagai
Also filed as: NAGAI KENJI
62 granted patents·12 pending applications·1,474 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
74 records- 0197US11846997B2Rotating shaft mechanism and mobile terminalHUAWEI TECH CO LTD·Filed 2021·Granted Dec 19, 2023·22 cites·20 claims
- 0297US11336759B2Rotating shaft mechanism and mobile terminalHUAWEI TECH CO LTD·Filed 2021·Granted May 17, 2022·55 cites·25 claims
- 0397US6427065B1Power transmission system, IC card and information communication system using IC cardHITACHI LTD·Filed 2000·Granted Jul 30, 2002·257 cites·9 claims
- 0497US5281865AFlip-flop circuitHITACHI LTD·Filed 1991·Granted Jan 25, 1994·155 cites·30 claims
- 0596US12332703B2Hinge and mobile terminalHUAWEI TECH CO LTD·Filed 2024·Granted Jun 17, 2025·6 cites·25 claims
- 0696US11914433B2Hinge and mobile terminalHUAWEI TECH CO LTD·Filed 2022·Granted Feb 27, 2024·24 cites·27 claims
- 0796US11467633B2Hinge and mobile terminalHUAWEI TECH CO LTD·Filed 2020·Granted Oct 11, 2022·54 cites·30 claims
- 0895US12047521B2Rotation shaft structure and electronic deviceHUAWEI TECH CO LTD·Filed 2022·Granted Jul 23, 2024·18 cites·30 claims
- 0994US12316791B2Rotation shaft structure and electronic deviceHUAWEI TECH CO LTD·Filed 2024·Granted May 27, 2025·9 cites·20 claims
- 1094US6321067B1Power transmission system IC card and information communication system using IC cardHITACHI LTD·Filed 1997·Granted Nov 20, 2001·217 cites·7 claims
- 1191US5523622ASemiconductor integrated device having parallel signal linesHITACHI LTD·Filed 1995·Granted Jun 4, 1996·170 cites·7 claims
- 1290US7738143B2Copy-forgery-inhibited pattern or stamp image combined with image data based on user actionsCANON KK·Filed 2006·Granted Jun 15, 2010·33 cites·6 claims
- 1389US11395424B2Rotating mechanism and foldable terminalHUAWEI TECH CO LTD·Filed 2020·Granted Jul 19, 2022·4 cites·18 claims
- 1489US9276104B2High-frequency semiconductor device and method of manufacturing the sameSONY CORP·Filed 2013·Granted Mar 1, 2016·13 cites·16 claims
- 1588US6739034B2Assembling apparatus for electrical machine having permanently magnetized field magnetsMORIC KK·Filed 2001·Granted May 25, 2004·36 cites·8 claims
- 1687US12081686B2Hinge mechanism and foldable mobile terminalHUAWEI TECH CO LTD·Filed 2021·Granted Sep 3, 2024·4 cites·19 claims
- 1785US7314898B2Microsphere-filled polytetrafluoroethylene compositions3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Jan 1, 2008·34 cites·18 claims
- 1883US6385119B2Internal supply voltage generating cicuit in a semiconductor memory device and method for controlling the sameFUJITSU LTD·Filed 2001·Granted May 7, 2002·32 cites·30 claims
- 1982US10354896B2Position detection system and processing apparatusTOKYO ELECTRON LTD·Filed 2017·Granted Jul 16, 2019·3 cites·15 claims
- 2082US6925005B2AC sensing method memory circuitFUJITSU LTD·Filed 2003·Granted Aug 2, 2005·31 cites·13 claims
- 2179US9976129B2Fusion protein for protein detection, and method for detecting proteinUNIV KYUSHU NAT UNIV CORP·Filed 2014·Granted May 22, 2018·5 cites·2 claims
- 2277US9388454B2Method for producing protein-nucleic acid conjugate, and method for detecting target substanceUNIV KYUSHU NAT UNIV CORP·Filed 2013·Granted Jul 12, 2016·2 cites·12 claims
- 2376US6765959B1Communication method of contactless ID card and integrated circuit used in communication methodHITACHI LTD·Filed 1999·Granted Jul 20, 2004·44 cites·13 claims
- 2475US6686750B2Semiconductor integrated circuit device and IC cardHITACHI LTD·Filed 2002·Granted Feb 3, 2004·19 cites·12 claims
- 2571US10199251B2Position detecting system and processing apparatusTOKYO ELECTRON LTD·Filed 2018·Granted Feb 5, 2019·1 cites·8 claims
- 2670US6633102B2Insulator for armature of dynamo-electric machineMORIC KK·Filed 2002·Granted Oct 14, 2003·16 cites·11 claims
- 2770US5508965ASemiconductor memory deviceFUJITSU LTD·Filed 1994·Granted Apr 16, 1996·25 cites·5 claims
- 2870US2023197501A1Plasma processing apparatusTOKYO ELECTRON LTD·Filed 2023·Application pending·0 cites
- 2969US4833474AA/D converterHITACHI LTD·Filed 1987·Granted May 23, 1989·24 cites·17 claims
- 3066US8941843B2Light interference system and substrate processing apparatusTOKYO ELECTRON LTD·Filed 2013·Granted Jan 27, 2015·2 cites·5 claims
- 3164US6788588B2Asynchronous semiconductor memory deviceFUJITSU LTD·Filed 2003·Granted Sep 7, 2004·13 cites·33 claims
- 3264US4784113AHandy heating containerKITA SANGYO KK·Filed 1987·Granted Nov 15, 1988·44 cites·4 claims
- 3363US5619465ASemiconductor memory deviceFUJITSU LTD·Filed 1996·Granted Apr 8, 1997·19 cites·6 claims
- 3460US11710614B2Light interference system and substrate processing apparatusTOKYO ELECTRON LTD·Filed 2021·Granted Jul 25, 2023·0 cites·11 claims
- 3560US6128238ADirect sensing semiconductor memory deviceFUJITSU LTD·Filed 2000·Granted Oct 3, 2000·11 cites·16 claims
- 3659US5426784ASerial to parallel data converting circuitHITACHI LTD·Filed 1993·Granted Jun 20, 1995·21 cites·11 claims
- 3758US7889573B2Time reduction of address setup/hold time for semiconductor memorySPANSION LLC·Filed 2008·Granted Feb 15, 2011·3 cites·16 claims
- 3857US2025244789A1Sliding opening/closing mechanism and electronic deviceHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 3956US4562408AAmplifier having a high power source noise repression ratioHITACHI LTD·Filed 1983·Granted Dec 31, 1985·9 cites·34 claims
- 4055US11668608B2Temperature measurement system and temperature measurement methodTOKYO ELECTRON LTD·Filed 2020·Granted Jun 6, 2023·0 cites·7 claims
- 4154US11513194B2Ranging apparatus and method using the ranging apparatusTOKYO ELECTRON LTD·Filed 2019·Granted Nov 29, 2022·0 cites·3 claims
- 4253US11920928B2System and method for correcting optical path length measurement errorsTOKYO ELECTRON LTD·Filed 2022·Granted Mar 5, 2024·0 cites·13 claims
- 4353US7116709B2Communication method of contactless ID card and integrated circuit used in communication methodHITACHI LTD·Filed 2004·Granted Oct 3, 2006·3 cites·15 claims
- 4453US6420883B1Semiconductor integrated circuit device and IC cardHITACHI LTD·Filed 1999·Granted Jul 16, 2002·13 cites·6 claims
- 4553US2018315640A1Plasma processing apparatusTOKYO ELECTRON LTD·Filed 2018·Application pending·0 cites
- 4651US11817335B2Method and system for inspecting processing apparatusTOKYO ELECTRON LTD·Filed 2020·Granted Nov 14, 2023·0 cites·21 claims
- 4751US7706197B2Storage device and control method of storage deviceSPANSION LLC·Filed 2006·Granted Apr 27, 2010·2 cites·17 claims
- 4851US7106651B2Semiconductor memory device and method of reading data from semiconductor memory deviceSPANSION LLC·Filed 2005·Granted Sep 12, 2006·2 cites·34 claims
- 4950US12321531B2Keyboard assembly and electronic deviceHUAWEI TECH CO LTD·Filed 2024·Granted Jun 3, 2025·0 cites·19 claims
- 5050US11869752B2System and method for transferring a focus ring into processing apparatusTOKYO ELECTRON LTD·Filed 2020·Granted Jan 9, 2024·0 cites·4 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →