Inventor · disambiguated record
Toshihisa Okazaki
Also filed as: OKAZAKI TOSHIHISA
21 granted patents·3 pending applications·225 citations·filing 1996–2025
95Inventor score
Top patents by PatentIndex Score
24 records- 0193US7330334B2Magnetic disk apparatus with shroud and having open space downstream of moveable arms in communication with bypass channelHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 12, 2008·14 cites·9 claims
- 0292US5677813ARotary information recording and reproduction apparatusHITACHI LTD·Filed 1996·Granted Oct 14, 1997·77 cites·18 claims
- 0387US6665139B2Magnetic-disc unit with gap between disc and shroudHITACHI LTD·Filed 2001·Granted Dec 16, 2003·23 cites·26 claims
- 0487US6600626B2Magnetic disk apparatusHITACHI LTD·Filed 2002·Granted Jul 29, 2003·19 cites·9 claims
- 0578US2025299693A1Hard disk drive interpose swageWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
- 0677US7336440B2Magnetic disc unit with gap between magnetic disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 26, 2008·2 cites·4 claims
- 0776US10019043B2Hard disk drive with a vibration isolation frameHGST Netherlands BV·Filed 2015·Granted Jul 10, 2018·2 cites·20 claims
- 0874US7072141B2Magnetic disc unit with range of gap between disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jul 4, 2006·6 cites·14 claims
- 0974US6751050B1Magnetic disc unitHITACHI LTD·Filed 1999·Granted Jun 15, 2004·18 cites·15 claims
- 1071US6445549B1Magnetic disk driveHITACHI LTD·Filed 2001·Granted Sep 3, 2002·7 cites·3 claims
- 1165US6898049B2Magnetic disk apparatus with air flow bypass channelHITACHI LTD·Filed 2003·Granted May 24, 2005·4 cites·4 claims
- 1265US2025140286A1Hard disk drive interpose swageWESTERN DIGITAL TECH INC·Filed 2023·Application pending·0 cites
- 1364US7161754B2Servo pattern writing method and magnetic disk drive for carrying out the sameHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 9, 2007·7 cites·11 claims
- 1463US7643245B2Magnetic disc unit with gap between magnetic disc and shroudHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 5, 2010·0 cites·4 claims
- 1560US6657822B1Magnetic disk apparatusHITACHI LTD·Filed 2000·Granted Dec 2, 2003·4 cites·22 claims
- 1659US5995327AMagnetic disk device for restraining vibration of head mounting partHITACHI LTD·Filed 1997·Granted Nov 30, 1999·13 cites·5 claims
- 1757US7130151B2Disk device and unbalance correcting method thereofHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Oct 31, 2006·4 cites·17 claims
- 1853US6504683B1Magnetic disk apparatus in which contact between a disk and a carriage arm by an external impact is preventedHITACHI LTD·Filed 2000·Granted Jan 7, 2003·2 cites·4 claims
- 1952US5936802AWiring structure in the load beam and guide arm of a magnetic disk driveHITACHI LTD·Filed 1996·Granted Aug 10, 1999·10 cites·19 claims
- 2050US12183374B1Varying suspension arm length for magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2024·Granted Dec 31, 2024·0 cites·20 claims
- 2150US2025266059A1Fine actuator reaction force cancellation flexible suspensionWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
- 2245US5953178AMagnetic disk apparatusHITACHI LTD·Filed 1997·Granted Sep 14, 1999·7 cites·10 claims
- 2341US6353517B1Magnetic disk driveHITACHI LTD·Filed 1999·Granted Mar 5, 2002·4 cites·3 claims
- 2430US6233120B1Magnetic disk deviceHITACHI LTD·Filed 1999·Granted May 15, 2001·2 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Toshihisa Okazaki 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 →