Inventor · disambiguated record
Shigeki Morinaga
Also filed as: ISHIZAKI KOSHO · MORINAGA SHIGEKI · TAKAHASHI TADASHI
61 granted patents·3 pending applications·1,773 citations·filing 1974–2011
99Inventor score
Top patents by PatentIndex Score
64 records- 0195US5490064AControl unit for vehicle and total control system thereforHITACHI LTD·Filed 1994·Granted Feb 6, 1996·60 cites·25 claims
- 0294US4511827AApparatus for driving a polyphase brushless motor with a suppressed torque rippleHITACHI LTD·Filed 1982·Granted Apr 16, 1985·60 cites·14 claims
- 0393US6849983B2Rotary machine having bypath magnetic path blocking magnetic barrierHITACHI LTD·Filed 2001·Granted Feb 1, 2005·56 cites·17 claims
- 0493US5481460AController for electric vehicleHITACHI LTD·Filed 1991·Granted Jan 2, 1996·109 cites·15 claims
- 0593US4276601AElectronic engine control apparatusHITACHI LTD·Filed 1978·Granted Jun 30, 1981·25 cites·53 claims
- 0692US5794165AControl unit for vehicle and total control system thereforHITACHI LTD·Filed 1997·Granted Aug 11, 1998·131 cites·11 claims
- 0792US4336475ASlotless brushless motorHITACHI LTD·Filed 1979·Granted Jun 22, 1982·52 cites·12 claims
- 0891US5561366ACurrent sensor system and detection method comprising magetoresistance element, biasing conductor and current measurement conductor on insulating substrateHITACHI LTD·Filed 1992·Granted Oct 1, 1996·85 cites·8 claims
- 0991US5055731AHigh-speed two-dimensional electrostatic actuatorHITACHI LTD·Filed 1990·Granted Oct 8, 1991·70 cites·10 claims
- 1091US4473786AMethod for controlling angular position and apparatus thereforHITACHI LTD·Filed 1982·Granted Sep 25, 1984·59 cites·11 claims
- 1190US4346434AApparatus for controlling an electric motorHITACHI LTD·Filed 1980·Granted Aug 24, 1982·50 cites·60 claims
- 1289US6009370AControl unit for vehicle and total control system thereforHITACHI LTD·Filed 1998·Granted Dec 28, 1999·98 cites·13 claims
- 1389US5432644ADisk drive unit having motor components in a compact arrangementHITACHI LTD·Filed 1994·Granted Jul 11, 1995·48 cites·11 claims
- 1488US5638272AControl unit for vehicle and total control system thereforHITACHI LTD·Filed 1995·Granted Jun 10, 1997·86 cites·6 claims
- 1585US4014277AControl apparatus for sewing machine with automatic needle stopping meansHITACHI LTD·Filed 1975·Granted Mar 29, 1977·14 cites·6 claims
- 1684US4594548AMulti phase magnetic sensor apparatus for detecting the position of moving memberHITACHI LTD·Filed 1983·Granted Jun 10, 1986·32 cites·7 claims
- 1782US8680736B2Armature core, motor using same, and axial gap electrical rotating machine using sameWANG ZHUONAN·Filed 2009·Granted Mar 25, 2014·11 cites·12 claims
- 1882US5218279AMethod and apparatus for detection of physical quantities, servomotor system utilizing the method and apparatus and power steering apparatus using the servomotor systemHITACHI LTD·Filed 1991·Granted Jun 8, 1993·40 cites·17 claims
- 1982US4233919ASewing machine protection apparatusHITACHI LTD·Filed 1978·Granted Nov 18, 1980·12 cites·7 claims
- 2081US5349351AAnalog-digital converting deviceHITACHI LTD·Filed 1992·Granted Sep 20, 1994·46 cites·12 claims
- 2180US4104978AProtective device in a motor-operated sewing machineHITACHI LTD·Filed 1977·Granted Aug 8, 1978·12 cites·10 claims
- 2279US5293558AMultiplication, division and square root extraction apparatusHITACHI LTD·Filed 1989·Granted Mar 8, 1994·51 cites·5 claims
- 2379US5023924ASpeed control apparatus for movable equipmentHITACHI LTD·Filed 1990·Granted Jun 11, 1991·41 cites·11 claims
- 2476US6591167B1Control unit for vehicle and total control system thereforHITACHI LTD·Filed 2000·Granted Jul 8, 2003·14 cites·18 claims
- 2571US4347536ARotary cylinder apparatusHITACHI LTD·Filed 1980·Granted Aug 31, 1982·15 cites·13 claims
- 2670US5245232ALinear actuatorHITACHI LTD·Filed 1992·Granted Sep 14, 1993·19 cites·22 claims
- 2770US4580084AMethod and system for controlling speed of electric motorHITACHI LTD·Filed 1982·Granted Apr 1, 1986·25 cites·22 claims
- 2870US3969661AMotor control apparatusHITACHI LTD·Filed 1974·Granted Jul 13, 1976·16 cites·4 claims
- 2968US4621224APosition/speed detection method and apparatusHITACHI LTD·Filed 1985·Granted Nov 4, 1986·21 cites·9 claims
- 3068US4173193AControlling apparatus for electric sewing machineHITACHI LTD·Filed 1978·Granted Nov 6, 1979·20 cites·7 claims
- 3167US7130723B2Control unit for vehicle and total control system thereforHITACHI LTD·Filed 2003·Granted Oct 31, 2006·8 cites·38 claims
- 3267US5351027AMagnetic sensorHITACHI LTD·Filed 1992·Granted Sep 27, 1994·26 cites·24 claims
- 3365US5298841AApparatus for controlling the speed of a moving objectHITACHI LTD·Filed 1991·Granted Mar 29, 1994·26 cites·11 claims
- 3464US4638225AMethod and apparatus therefor in motor speed controlHITACHI LTD·Filed 1986·Granted Jan 20, 1987·19 cites·6 claims
- 3563US4628314AMethod and apparatus for detecting position and velocity of moving bodyHITACHI LTD·Filed 1984·Granted Dec 9, 1986·14 cites·5 claims
- 3663US4488103AMotor control method and control apparatus thereforHITACHI LTD·Filed 1982·Granted Dec 11, 1984·16 cites·3 claims
- 3761US4922175APosition/speed detection method and apparatusHITACHI LTD·Filed 1989·Granted May 1, 1990·14 cites·5 claims
- 3860US7653462B2Control unit for vehicle and total control system thereforHITACHI LTD·Filed 2006·Granted Jan 26, 2010·2 cites·2 claims
- 3959US4367530AControl apparatus for an internal combustion engineHITACHI LTD·Filed 1981·Granted Jan 4, 1983·16 cites·72 claims
- 4058US6240340B1Control unit for vehicle and total control system thereforHITACHI LTD·Filed 1999·Granted May 29, 2001·17 cites·6 claims
- 4158US5175479AMoving body position control apparatus and signal reproducing apparatusHITACHI LTD·Filed 1991·Granted Dec 29, 1992·20 cites·6 claims
- 4256US5125095ASystem using microprocessor address lines for coprocessor selection within a multi-coprocessor apparatusHITACHI MICROCUMPUTER ENG·Filed 1991·Granted Jun 23, 1992·30 cites·13 claims
- 4355US7963741B2Motor and fan device using the sameHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jun 21, 2011·1 cites·13 claims
- 4454US4195585AProtection apparatus for electric sewing mechineHITACHI LTD·Filed 1978·Granted Apr 1, 1980·9 cites·7 claims
- 4552US5544054AVehicle multi-processor control system and method with processing load optimizationHITACHI LTD·Filed 1995·Granted Aug 6, 1996·22 cites·6 claims
- 4651US5089955AProgrammable counter/timer device with programmable registers having programmable functionsHITACHI LTD·Filed 1990·Granted Feb 18, 1992·14 cites·8 claims
- 4751US4367520AMethod and apparatus for controlling pulse width modulation inverter circuitHITACHI LTD·Filed 1980·Granted Jan 4, 1983·9 cites·2 claims
- 4850US4277829AError preventing device for an electronic engine control apparatusHITACHI LTD·Filed 1978·Granted Jul 7, 1981·9 cites·70 claims
- 4948US5418932AGeneration of width modulated pulses by relatively adjusting rising and falling edges upon comparison of counter with programmably stored valuesHITACHI LTD·Filed 1991·Granted May 23, 1995·22 cites·33 claims
- 5048US5057887AHigh density dynamic ram cellTEXAS INSTRUMENTS INC·Filed 1989·Granted Oct 15, 1991·9 cites·10 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shigeki Morinaga 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 →