Inventor · disambiguated record
Haruaki Otsuki
Also filed as: OTSUKI HARUAKI
11 granted patents·318 citations·filing 1981–2017
90Inventor score
Top patents by PatentIndex Score
11 records- 0197US5189578ADisk system with sub-actuators for fine head displacementHITACHI LTD·Filed 1990·Granted Feb 23, 1993·202 cites·5 claims
- 0289US5402400AMethod and apparatus for eliminating external disturbances in a disk drive deviceHITACHI LTD·Filed 1993·Granted Mar 28, 1995·63 cites·23 claims
- 0366US5229896ADisk drive and method of controlling the sameHITACHI LTD·Filed 1991·Granted Jul 20, 1993·19 cites·21 claims
- 0464US4430606ASheet feeding apparatusHITACHI LTD·Filed 1981·Granted Feb 7, 1984·14 cites·10 claims
- 0561US8717714B2Magnetic head positioning and driving device including heaters and diodesOTSUKI HARUAKI·Filed 2011·Granted May 6, 2014·2 cites·5 claims
- 0659US7612479B2Scanner for equalizing torque constant and reducing torque constant variationHITACHI VIA MECHANICS LTD·Filed 2006·Granted Nov 3, 2009·2 cites·5 claims
- 0751US7432681B2Scanner systemHITACHI VIA MECHANICS LTD·Filed 2004·Granted Oct 7, 2008·4 cites·4 claims
- 0848US10350704B2Laser processing method and laser processing apparatusVIA MECHANICS LTD·Filed 2017·Granted Jul 16, 2019·0 cites·10 claims
- 0948US7023598B2Optical scanner and laser machining apparatusHITACHI VIA MECHANICS LTD·Filed 2004·Granted Apr 4, 2006·2 cites·12 claims
- 1045US4418305AVelocity feedback circuitHITACHI LTD·Filed 1981·Granted Nov 29, 1983·10 cites·5 claims
- 1140US7270270B2Optical scanner control method, optical scanner and laser machining apparatusHITACHI VIA MECHANICS LTD·Filed 2004·Granted Sep 18, 2007·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Haruaki Otsuki 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 →