Inventor · disambiguated record
Noboru Sekiguchi
Also filed as: SEKIGUCHI NOBORU
41 granted patents·4 pending applications·455 citations·filing 1989–2023
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US11302354B2Magnetic recording medium having controlled dimensional variationSONY CORP·Filed 2020·Granted Apr 12, 2022·6 cites·20 claims
- 0298US10984833B2Magnetic recording cartridgeSONY CORP·Filed 2020·Granted Apr 20, 2021·25 cites·27 claims
- 0398US10803904B1Magnetic recording cartridgeSONY CORP·Filed 2019·Granted Oct 13, 2020·29 cites·20 claims
- 0498US10720181B1Magnetic recording cartridgeSONY CORP·Filed 2019·Granted Jul 21, 2020·75 cites·30 claims
- 0598US10665259B1Magnetic recording medium and cartridgeSONY CORP·Filed 2019·Granted May 26, 2020·33 cites·27 claims
- 0697US10964346B2Magnetic recording medium and cartridgeSONY CORP·Filed 2020·Granted Mar 30, 2021·8 cites·35 claims
- 0797US10867630B2Magnetic recording medium having a dimensional variationSONY CORP·Filed 2018·Granted Dec 15, 2020·10 cites·30 claims
- 0897US9542967B2Magnetic recording mediumSONY CORP·Filed 2014·Granted Jan 10, 2017·102 cites·20 claims
- 0996US11521650B2Magnetic recording medium having a controlled dimensional variationSONY GROUP CORP·Filed 2021·Granted Dec 6, 2022·7 cites·25 claims
- 1094US11189314B2Magnetic recording mediumSONY CORP·Filed 2021·Granted Nov 30, 2021·4 cites·35 claims
- 1194US10978104B2Magnetic recording medium having a dimensional variation and cartridgeSONY CORP·Filed 2019·Granted Apr 13, 2021·13 cites·30 claims
- 1293US11854585B2Magnetic recording medium and cartridgeSONY GROUP CORP·Filed 2021·Granted Dec 26, 2023·6 cites·20 claims
- 1393US11302355B2Magnetic recording medium having controlled dimensional variationSONY CORP·Filed 2021·Granted Apr 12, 2022·4 cites·27 claims
- 1493US11302353B2Magnetic recording medium having controlled dimensional variationSONY CORP·Filed 2020·Granted Apr 12, 2022·4 cites·20 claims
- 1593US11250884B2Magnetic recording cartridgeSONY GROUP CORP·Filed 2021·Granted Feb 15, 2022·3 cites·27 claims
- 1693US10839846B2Magnetic recording medium having a dimensional variationSONY CORP·Filed 2019·Granted Nov 17, 2020·12 cites·28 claims
- 1792US12243569B2Magnetic recording medium and cartridgeSONY GROUP CORP·Filed 2023·Granted Mar 4, 2025·4 cites·20 claims
- 1892US11017809B2Magnetic recording medium having a controlled dimensional variationSONY CORP·Filed 2019·Granted May 25, 2021·10 cites·29 claims
- 1992US10937457B2Magnetic recording mediumSONY CORP·Filed 2019·Granted Mar 2, 2021·9 cites·22 claims
- 2090US11056143B2Magnetic recording mediumSONY CORP·Filed 2019·Granted Jul 6, 2021·7 cites·38 claims
- 2182US11676631B2Magnetic recording medium and cartridgeSONY CORP·Filed 2019·Granted Jun 13, 2023·4 cites·19 claims
- 2280US11508407B2Magnetic recording medium having controlled dimensional characteristicsSONY CORP·Filed 2018·Granted Nov 22, 2022·4 cites·23 claims
- 2379US10424329B2Magnetic recording mediumSONY CORP·Filed 2016·Granted Sep 24, 2019·4 cites·15 claims
- 2476US9299378B2Magnetic recording medium having a recording layer with a diffraction peak of magnetic atomsSONY CORP·Filed 2015·Granted Mar 29, 2016·4 cites·19 claims
- 2574US4989498AHydraulic actuatorJIDOSHA KIKI CO·Filed 1989·Granted Feb 5, 1991·30 cites·5 claims
- 2673US11862212B2Magnetic recording medium and servo signal recording deviceSONY GROUP CORP·Filed 2020·Granted Jan 2, 2024·1 cites·11 claims
- 2770US11804243B2Magnetic recording mediumSONY GROUP CORP·Filed 2019·Granted Oct 31, 2023·2 cites·19 claims
- 2866US10580447B2Magnetic recording medium with controlled surface characteristicsSONY CORP·Filed 2016·Granted Mar 3, 2020·2 cites·21 claims
- 2965US12131763B2Magnetic recording mediumSONY GROUP CORP·Filed 2023·Granted Oct 29, 2024·0 cites·19 claims
- 3063US11631430B2Magnetic recording mediumSONY GROUP CORP·Filed 2021·Granted Apr 18, 2023·0 cites·27 claims
- 3155US2014363700A1Magnetic recording mediumSONY CORP·Filed 2014·Application pending·0 cites
- 3251US12462840B2Magnetic recording medium and cartridgeSONY GROUP CORP·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 3351US6828662B2Semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Dec 7, 2004·4 cites·4 claims
- 3449US12400682B2Magnetic recording medium and cartridgeSONY GROUP CORP·Filed 2022·Granted Aug 26, 2025·0 cites·16 claims
- 3549US6964093B2System for mounting electronic deviceSONY CORP·Filed 2001·Granted Nov 15, 2005·6 cites·2 claims
- 3649US6599820B1Method of producing a semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 29, 2003·5 cites·1 claims
- 3747US11621020B2Magnetic recording mediumSONY CORP·Filed 2018·Granted Apr 4, 2023·0 cites·15 claims
- 3845US11468910B2Magnetic recording medium having reinforced substrateSONY CORP·Filed 2019·Granted Oct 11, 2022·0 cites·9 claims
- 3945US2006061913A1Magnetic read/write system, magnetoresistive head, and magnetic recording mediumSONY CORP·Filed 2005·Application pending·0 cites
- 4045US2006172156A1Magnetic recording medium and process for producing sameMAESHIMA KATSUNORI·Filed 2006·Application pending·0 cites
- 4144US11423936B2Magnetic recording medium and method of producing the sameSONY CORP·Filed 2014·Granted Aug 23, 2022·0 cites·15 claims
- 4242US6991861B2Magnetic recording mediumSONY CORP·Filed 2004·Granted Jan 31, 2006·0 cites·4 claims
- 4340US5281596AAntibacterial drugs for fishBAYER AG·Filed 1991·Granted Jan 25, 1994·13 cites·1 claims
- 4435US2002072132A1Semiconductor integrated circuitFiled 2001·Application pending·0 cites
- 4534US6304001B1Semiconductor device with alignment mark and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Oct 16, 2001·5 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Noboru Sekiguchi 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 →