Inventor · disambiguated record
Hiroshi Tani
Also filed as: TANI HIROSHI
45 granted patents·7 pending applications·379 citations·filing 1992–2023
98Inventor score
Top patents by PatentIndex Score
52 records- 0195US11437932B2Power generation bodySUMITOMO RUBBER IND·Filed 2021·Granted Sep 6, 2022·4 cites·18 claims
- 0293US11148480B2Tire assembly, tire monitoring system, and tire monitoring methodSUMITOMO RUBBER IND·Filed 2019·Granted Oct 19, 2021·4 cites·19 claims
- 0392US5388020AMagnetic disk having improved surface configuration and magnetic disk unit including sameHITACHI LTD·Filed 1992·Granted Feb 7, 1995·61 cites·7 claims
- 0483US6927942B2Magnetic head slider and magnetic head slider assembly having a leading slope angle smaller than a trailing slope angleHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Aug 9, 2005·18 cites·10 claims
- 0582US5623464AOptical disk apparatus and seek control methodFUJITSU LTD·Filed 1995·Granted Apr 22, 1997·39 cites·28 claims
- 0681US6816341B2Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine groupHITACHI LTD·Filed 2003·Granted Nov 9, 2004·13 cites·14 claims
- 0781US6072761AOptical storage apparatus having an automatic laser power control with light emission fine controlFUJITSU LTD·Filed 1998·Granted Jun 6, 2000·37 cites·29 claims
- 0880US9953665B1Systems and methods for applying electric fields during ultraviolet exposure of lubricant layers for hard disk mediaWD MEDIA LLC·Filed 2014·Granted Apr 24, 2018·4 cites·28 claims
- 0980US7859794B2Magnetic head slider and magnetic disk driveHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Dec 28, 2010·4 cites·11 claims
- 1080US5543203AMagnetic recording medium having a protective layer which includes high and low surface energy regions and a lubricantHITACHI LTD·Filed 1994·Granted Aug 6, 1996·27 cites·13 claims
- 1179US12512472B2Lithium metal composite oxide powder with suppressed gas generationUMICORE NV·Filed 2023·Granted Dec 30, 2025·0 cites·12 claims
- 1278US6628575B1Track jump method for ZCAV system and storage apparatus employing ZCAV systemFUJITSU LTD·Filed 2001·Granted Sep 30, 2003·12 cites·14 claims
- 1377US5500296AMagnetic recording medium, process for producing magnetic recording medium, apparatus for producing magnetic recording medium, and magnetic recording apparatusHITACHI LTD·Filed 1994·Granted Mar 19, 1996·25 cites·8 claims
- 1475US7147943B2Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 12, 2006·11 cites·7 claims
- 1575US6605335B2Magnetic recording mediumHITACHI LTD·Filed 2001·Granted Aug 12, 2003·11 cites·6 claims
- 1673US10984826B2Magnetic disk deviceTOSHIBA KK·Filed 2020·Granted Apr 20, 2021·1 cites·16 claims
- 1773US7525766B2Magnetic head slider with groove formed in reduced-width portion of trailing pad between head and trailing edgeHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 28, 2009·2 cites·18 claims
- 1872US6633455B2Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating sameHITACHI LTD·Filed 2001·Granted Oct 14, 2003·9 cites·6 claims
- 1968US6354743B2Rolling bearingNSK LTD·Filed 2001·Granted Mar 12, 2002·9 cites·10 claims
- 2066US6555197B1Lubricant, magnetic disk and magnetic disk apparatusHITACHI LTD·Filed 2000·Granted Apr 29, 2003·5 cites·22 claims
- 2166US2018233167A1Systems and methods for applying electric fields during ultraviolet exposure of lubricant layers for hard disk mediaWD MEDIA LLC·Filed 2018·Application pending·0 cites
- 2266US2024208278A1Tire assemblySUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 2364US7042678B2Magnetic head slider and magnetic disc unitHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·5 cites·5 claims
- 2463US11848443B2Lithium metal composite oxide powder with suppressed gas generationUMICORE NV·Filed 2018·Granted Dec 19, 2023·0 cites·4 claims
- 2561US2024410791A1Tire state estimation method, and tire state estimation systemSUMITOMO RUBBER IND·Filed 2022·Application pending·0 cites
- 2659US6574177B2Data read method for remedying low-quality read data and storage apparatus employing such a data read methodFUJITSU LTD·Filed 2001·Granted Jun 3, 2003·3 cites·19 claims
- 2758US6773784B2Magnetic disk having ultrathin carbon protective film and magnetic disk apparatusHITACHI LTD·Filed 2003·Granted Aug 10, 2004·3 cites·5 claims
- 2858US5680285AMagnetic disk having improved surface configuration and magnetic disk unit including sameHITACHI LTD·Filed 1996·Granted Oct 21, 1997·10 cites·6 claims
- 2957US5808975AOptical storage apparatusFUJITSU LTD·Filed 1997·Granted Sep 15, 1998·13 cites·25 claims
- 3056US11569761B2Power generation bodySUMITOMO RUBBER IND·Filed 2021·Granted Jan 31, 2023·0 cites·18 claims
- 3155US6870704B2Magnetic disc apparatus and its fabricating methodHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 22, 2005·2 cites·13 claims
- 3254US6372367B1Magnetic recording medium, method for producing the same and magnetic recording apparatus using the sameHITACHI LTD·Filed 1999·Granted Apr 16, 2002·20 cites·6 claims
- 3354US6293702B1Rolling bearingNSK LTD·Filed 2000·Granted Sep 25, 2001·4 cites·17 claims
- 3452US6665147B2Magnetic disk drive with supply of perfluoropolyether as lubricantHITACHI LTD·Filed 2001·Granted Dec 16, 2003·1 cites·12 claims
- 3551US6917495B2Magnetic disk driveHITACHI LTD·Filed 2003·Granted Jul 12, 2005·1 cites·3 claims
- 3651US2009217765A1Sensor failure diagnosis device and sensor failure diagnosis methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3750US12000435B2Rolling bearing and sensor-equipped rolling bearingTHE SCHOOL CORPORATION KANSAI UNIV·Filed 2020·Granted Jun 4, 2024·0 cites·26 claims
- 3850US7212478B2Data assurance method for optical storage media and optical storage deviceFUJITSU LTD·Filed 2005·Granted May 1, 2007·0 cites·20 claims
- 3949US12094505B2Magnetic disk device and reference pattern writing method of the same preliminary classTOSHIBA KK·Filed 2023·Granted Sep 17, 2024·0 cites·9 claims
- 4048US5549211AMethod of producing magnetic diskHITACHI LTD·Filed 1994·Granted Aug 27, 1996·5 cites·6 claims
- 4147US10468680B2Nickel-lithium metal composite oxide powder and method for producing sameUMICORE NV·Filed 2015·Granted Nov 5, 2019·0 cites·19 claims
- 4247US6989535B2Atomic force microscopy, method of measuring surface configuration using the same, and method of producing magnetic recording mediumHITACHI LTD·Filed 2002·Granted Jan 24, 2006·7 cites·13 claims
- 4347US2007097824A1Off-track relief processing method for optical disk apparatus, and optical disk apparatusFUJITSU LTD·Filed 2006·Application pending·0 cites
- 4444US9470268B2Pivot assembly bearing device and magnetic head actuator using the sameMINEBEA CO LTD·Filed 2015·Granted Oct 18, 2016·0 cites·4 claims
- 4544US6869536B2Lubricant, magnetic disk and magnetic disk apparatusHITACHI LTD·Filed 2003·Granted Mar 22, 2005·0 cites·13 claims
- 4643US7330411B2Optical information storing device, data processing circuit and information storage mediumFUJITSU LTD·Filed 2003·Granted Feb 12, 2008·0 cites·19 claims
- 4742US6268978B1Magnetic disk apparatusHITACHI LTD·Filed 1998·Granted Jul 31, 2001·5 cites·10 claims
- 4842US2005095461A1Hard disk driveFiled 2004·Application pending·0 cites
- 4941US2004096675A1Magnetic recording mediumHITACHI LTD·Filed 2003·Application pending·0 cites
- 5039US6243344B1Optical storage device having a sector mark detecting circuitFUJITSU LTD·Filed 1998·Granted Jun 5, 2001·4 cites·14 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroshi Tani 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 →