Inventor · disambiguated record
Tetsuya Maruyama
Also filed as: MARUYAMA TETSUYA
44 granted patents·7 pending applications·406 citations·filing 1999–2021
98Inventor score
Files withHITACHI LTD13KOBAYASHI PHARMACEUTICAL CO LTD9MARUYAMA TETSUYA8KOBAYASHI PHARMA4NIDEC CORP2
Top patents by PatentIndex Score
51 records- 0193US7434017B2Storage system with virtual allocation and virtual relocation of volumesHITACHI LTD·Filed 2006·Granted Oct 7, 2008·34 cites·20 claims
- 0291US8171245B2Data migrating method taking end time into considerationMARUYAMA TETSUYA·Filed 2010·Granted May 1, 2012·14 cites·8 claims
- 0390US9806577B2Stator with neutral line secured to stator yokeTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 31, 2017·6 cites·5 claims
- 0490US6646464B2Data hold circuit, a semiconductor device and a method of designing the sameHITACHI LTD·Filed 2001·Granted Nov 11, 2003·39 cites·27 claims
- 0589US9845869B2Vehicle drive apparatusAISIN AW CO·Filed 2015·Granted Dec 19, 2017·6 cites·15 claims
- 0689USD745975SBody warmerKOBAYASHI PHARMA·Filed 2013·Granted Dec 22, 2015·39 cites·1 claims
- 0786USD722727SEye maskKOBAYASHI PHARMA·Filed 2013·Granted Feb 17, 2015·33 cites·1 claims
- 0886US7395396B2Storage system and data relocation control deviceHITACHI LTD·Filed 2005·Granted Jul 1, 2008·13 cites·19 claims
- 0985US8743505B2Fluid dynamic bearing apparatus with specific minute gap structure with spindle motor and disk drive apparatus including sameNIDEC CORP·Filed 2013·Granted Jun 3, 2014·6 cites·12 claims
- 1085US8472132B2Fluid dynamic bearing apparatus arranged to discharge air bubbles generated therein and a spindle motor and a disk drive apparatus including the sameYAMADA HIROKI·Filed 2009·Granted Jun 25, 2013·16 cites·40 claims
- 1184USD907225SPersonal warming apparatusKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2020·Granted Jan 5, 2021·8 cites·1 claims
- 1284US10448646B2Attracting toolKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2013·Granted Oct 22, 2019·2 cites·17 claims
- 1384US10122234B2Stator for rotary electric machineTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 6, 2018·3 cites·8 claims
- 1484US7809905B2Data migrating method taking end time into considerationHITACHI LTD·Filed 2008·Granted Oct 5, 2010·10 cites·20 claims
- 1582US8169738B1Fluid dynamic bearing mechanism including communicating channel, spindle motor, and disk drive apparatusYAWATA ATSUSHI·Filed 2011·Granted May 1, 2012·6 cites·20 claims
- 1681USD951467SHand warmerKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2021·Granted May 10, 2022·5 cites·1 claims
- 1779USD930174SHand warmerKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2019·Granted Sep 7, 2021·12 cites·1 claims
- 1878US7529950B2Information processing system, control method for information processing system, and storage systemHITACHI LTD·Filed 2005·Granted May 5, 2009·9 cites·20 claims
- 1977USD961790SHand warmerKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2021·Granted Aug 23, 2022·4 cites·1 claims
- 2077USD951466SHand warmerKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2021·Granted May 10, 2022·4 cites·1 claims
- 2175USD706944SBody warmerKOBAYASHI PHARMA·Filed 2013·Granted Jun 10, 2014·19 cites·1 claims
- 2275US8086881B2Power control of secondary copy storage based on journal storage usage and accumulation speed rateMARUYAMA TETSUYA·Filed 2008·Granted Dec 27, 2011·6 cites·21 claims
- 2375US7472173B2Remote data copying among storage systemsHITACHI LTD·Filed 2004·Granted Dec 30, 2008·17 cites·6 claims
- 2475US6806726B2Semiconductor integrated circuitRENESAS TECH CORP·Filed 2003·Granted Oct 19, 2004·16 cites·6 claims
- 2574US7636827B2Computer system, data migration monitoring method and data migration monitoring programHITACHI LTD·Filed 2006·Granted Dec 22, 2009·10 cites·9 claims
- 2674US7290108B2Information processing system having volume guard functionHITACHI LTD·Filed 2005·Granted Oct 30, 2007·5 cites·20 claims
- 2772US7509455B2Information processing system having volume guard functionHITACHI LTD·Filed 2007·Granted Mar 24, 2009·4 cites·11 claims
- 2871US8922943B2Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatusYAMADA HIROKI·Filed 2011·Granted Dec 30, 2014·3 cites·26 claims
- 2971US8447937B2Data migrating method taking end time into considerationMARUYAMA TETSUYA·Filed 2012·Granted May 21, 2013·2 cites·19 claims
- 3069US7831792B2Computer system, data migration method and storage management serverHITACHI LTD·Filed 2006·Granted Nov 9, 2010·4 cites·17 claims
- 3166USD901026SPersonal warming apparatusKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2018·Granted Nov 3, 2020·8 cites·1 claims
- 3266US7200725B2Storage remote copy systemHITACHI LTD·Filed 2004·Granted Apr 3, 2007·10 cites·12 claims
- 3365US8230038B2Storage system and data relocation control deviceTAKAHASHI TORU·Filed 2007·Granted Jul 24, 2012·2 cites·18 claims
- 3464US8352766B2Power control of target secondary copy storage based on journal storage usage and accumulation speed rateHITACHI LTD·Filed 2011·Granted Jan 8, 2013·1 cites·18 claims
- 3561US8215842B2Dynamic fluid pressure bearing, spindle motor, disk drive apparatus and method for manufacturing the dynamic fluid pressure bearingMARUYAMA TETSUYA·Filed 2009·Granted Jul 10, 2012·4 cites·12 claims
- 3658US8336690B2Power transmission apparatusMARUYAMA TETSUYA·Filed 2009·Granted Dec 25, 2012·1 cites·5 claims
- 3756US8015381B2Computer system, data migration monitoring method and data migration monitoring programHITACHI LTD·Filed 2009·Granted Sep 6, 2011·0 cites·11 claims
- 3854US2009150606A1Information processing system having volume guard functionMARUYAMA TETSUYA·Filed 2009·Application pending·0 cites
- 3953US8799600B2Storage system and data relocation control deviceTAKAHASHI TORU·Filed 2012·Granted Aug 5, 2014·0 cites·18 claims
- 4053US2009106400A1Remote data copying among storage systemsMARUYAMA TETSUYA·Filed 2008·Application pending·0 cites
- 4152USD979778SHeating pad for footKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2021·Granted Feb 28, 2023·2 cites·1 claims
- 4252US8533421B2Computer system, data migration monitoring method and data migration monitoring programASANO MASAYASU·Filed 2011·Granted Sep 10, 2013·0 cites·13 claims
- 4352US6693448B1Semiconductor integrated circuitRENESAS TECH CORP·Filed 1999·Granted Feb 17, 2004·14 cites·13 claims
- 4450US11876500B2Receiver, system, and operation method of receiverFUJITSU SEMICONDUCTOR MEMORY SOLUTION LTD·Filed 2021·Granted Jan 16, 2024·0 cites·14 claims
- 4550US2007113034A1Storage remote copy systemMARUYAMA TETSUYA·Filed 2007·Application pending·0 cites
- 4650US2011029047A1Heating elementKOBAYASHI PHARMA·Filed 2009·Application pending·0 cites
- 4749US2014286600A1Apparatus including capillary and labyrinth sealsSEAGATE TECHNOLOGY LLC·Filed 2014·Application pending·0 cites
- 4847US2021205124A1Heat generatorKOBAYASHI PHARMACEUTICAL CO LTD·Filed 2019·Application pending·0 cites
- 4940US10637569B2Optical transmission characteristic estimation method, optical transmission characteristic compensation method, optical transmission characteristic estimation system and optical transmission characteristic compensation systemNTT ELECTRONICS CORP·Filed 2017·Granted Apr 28, 2020·0 cites·15 claims
- 5039US2011019303A1Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatusNIDEC CORP·Filed 2010·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tetsuya Maruyama 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 →