Inventor · disambiguated record
Hitoshi Iwata
Also filed as: IWATA HITOSHI
67 granted patents·4 pending applications·2,950 citations·filing 1984–2025
99Inventor score
Files withTOKAI RIKA CO LTD44HOUSE FOOD INDUSTRIAL CO7MINEBEA MITSUMI INC7HITACHI METALS LTD3HOUSE FOODS CORP2
Top patents by PatentIndex Score
71 records- 0196US5836886ACatheter having a sensorTOKAI RIKA CO LTD·Filed 1996·Granted Nov 17, 1998·148 cites·6 claims
- 0296US5807265ACatheter having pressure detecting abilityTOKAI RIKA CO LTD·Filed 1996·Granted Sep 15, 1998·152 cites·17 claims
- 0392US6262516B1Parallel plate structure provided with PZT thin-film bimorph and method of fabrication thereofTOKAI RIKA CO LTD·Filed 1998·Granted Jul 17, 2001·82 cites·12 claims
- 0492US6221023B1Sensor for intra-corporeal medical device and a method of manufactureTOKAI RIKA CO LTD·Filed 1996·Granted Apr 24, 2001·1.2k cites·29 claims
- 0589US4840844AMagnetic recording mediumHITACHI LTD·Filed 1987·Granted Jun 20, 1989·38 cites·18 claims
- 0684US12407222B2Rotating machineMINEBEA MITSUMI INC·Filed 2021·Granted Sep 2, 2025·1 cites·15 claims
- 0783US2025373120A1Rotating machineMINEBEA MITSUMI INC·Filed 2025·Application pending·0 cites
- 0880US6196082B1Hand lever deviceKIORITZ CORP·Filed 2000·Granted Mar 6, 2001·24 cites·7 claims
- 0980US2025337305A1Rotating deviceMINEBEA MITSUMI INC·Filed 2025·Application pending·0 cites
- 1079US5763929ATransistor package having a series connected thermistor for protection from thermal destructionTOKAI RIKA CO LTD·Filed 1997·Granted Jun 9, 1998·50 cites·3 claims
- 1179US2025300518A1MotorMINEBEA MITSUMI INC·Filed 2025·Application pending·0 cites
- 1278US5142433AMotor drive circuitTOKAI RIKA CO LTD·Filed 1990·Granted Aug 25, 1992·40 cites·13 claims
- 1377US6140739AParallel plate type oscillatory gyroscopeTOKAI RIKA CO LTD·Filed 1999·Granted Oct 31, 2000·63 cites·10 claims
- 1477US6019729ASensor mechanism-equipped catheterTOKAI RIKA CO LTD·Filed 1997·Granted Feb 1, 2000·241 cites·20 claims
- 1577US5008767AFlying-type composite magnetic head having magnetic core with improved flatness of air-bearing surfaceHITACHI METALS LTD·Filed 1989·Granted Apr 16, 1991·22 cites·24 claims
- 1673US5453669AMotor current detection circuitTOKAI RIKA CO LTD·Filed 1994·Granted Sep 26, 1995·31 cites·18 claims
- 1772US6539804B1Two-axis yaw rate sensorTOKAI RIKA CO LTD·Filed 1999·Granted Apr 1, 2003·51 cites·6 claims
- 1872US6109104AParallel plate type oscillatory gyroscopeARAI FUMIHITO·Filed 1999·Granted Aug 29, 2000·58 cites·10 claims
- 1972US5351387AMethod of making a magnetic rotation sensorTOKAI RIKA CO LTD·Filed 1992·Granted Oct 4, 1994·24 cites·2 claims
- 2070US4516596ASystem for cleaning a three-way valveHOUSE FOOD INDUSTRIAL CO·Filed 1984·Granted May 14, 1985·21 cites·6 claims
- 2167US5489803ASolder-bonded structureTOKAI RIKA CO LTD·Filed 1994·Granted Feb 6, 1996·28 cites·4 claims
- 2267US5030899AWiper control deviceTOKAI RIKA CO LTD·Filed 1990·Granted Jul 9, 1991·26 cites·4 claims
- 2366US12341399B2Motor with a stepped rotating bodyMINEBEA MITSUMI INC·Filed 2020·Granted Jun 24, 2025·0 cites·8 claims
- 2466US6019728ACatheter and sensor having pressure detecting functionTOKAI RIKA CO LTD·Filed 1997·Granted Feb 1, 2000·135 cites·15 claims
- 2565US12463516B2Rotating deviceMINEBEA MITSUMI INC·Filed 2020·Granted Nov 4, 2025·0 cites·21 claims
- 2664US5547216ACrush sensorTOKAI RIKA CO LTD·Filed 1995·Granted Aug 20, 1996·25 cites·19 claims
- 2764US5165219APacking device for articles that have directionalityHOUSE FOOD INDUSTRIAL CO·Filed 1991·Granted Nov 24, 1992·21 cites·4 claims
- 2863US6201285B1Sensor with diaphragm sensor chipTOKAI RIKA CO LTD·Filed 1998·Granted Mar 13, 2001·28 cites·7 claims
- 2963US5723959APower window driving control deviceTOKAI RIKA DENKI SEISHAKUSHO K·Filed 1996·Granted Mar 3, 1998·28 cites·3 claims
- 3062US5946549AMethod for manufacturing sensor using semiconductorTOKAI RIKA CO LTD·Filed 1997·Granted Aug 31, 1999·21 cites·17 claims
- 3162US5659138ASurface type acceleration sensorTOKAI RIKA CO LTD·Filed 1995·Granted Aug 19, 1997·20 cites·4 claims
- 3262US5239263AMagnetic rotation sensor for rotary shaftTOKAI RIKA CO LTD·Filed 1991·Granted Aug 24, 1993·17 cites·5 claims
- 3361US4559963ASystem for feeding liquid substancesHOUSE FOOD INDUSTRIAL CO·Filed 1984·Granted Dec 24, 1985·19 cites·3 claims
- 3460US4526627AMethod and apparatus for direct heat treatment of medium- to high-carbon steel rodsSUMITOMO ELECTRIC INDUSTRIES·Filed 1984·Granted Jul 2, 1985·9 cites·29 claims
- 3558US6386091B2Continuous processing apparatusHOUSE FOODS CORP·Filed 2001·Granted May 14, 2002·2 cites·12 claims
- 3657US5361966ASolder-bonded structureTOKAI RIKA CO LTD·Filed 1992·Granted Nov 8, 1994·19 cites·5 claims
- 3754US6009752AYaw rate detector and method for detecting yaw rateTOKAI RIKA CO LTD·Filed 1997·Granted Jan 4, 2000·16 cites·13 claims
- 3851US5847436ABipolar transistor having integrated thermistor shuntTOKAI RIKA CO LTD·Filed 1997·Granted Dec 8, 1998·14 cites·1 claims
- 3951US5509308AAcceleration detecting apparatusTOKAI RIKA CO LTD·Filed 1994·Granted Apr 23, 1996·13 cites·8 claims
- 4050US6271663B1Rotation detector operable to measure magnetism direction changeKABUSHKI KAISHA TOKAI RIKA DEN·Filed 1999·Granted Aug 7, 2001·15 cites·14 claims
- 4150US5665250AMethod of manufacturing surface type acceleration sensor method of manufacturingTOKAI RIKA CO LTD·Filed 1996·Granted Sep 9, 1997·13 cites·2 claims
- 4250US5448175ACurrent detecting circuitTOKAI RIKA CO LTD·Filed 1993·Granted Sep 5, 1995·14 cites·16 claims
- 4348US4539903AFilling apparatusHOUSE FOOD INDUSTRIAL CO·Filed 1984·Granted Sep 10, 1985·12 cites·4 claims
- 4446US6269450B1Computer monitoring deviceTOKAI RIKA CO LTD·Filed 1999·Granted Jul 31, 2001·19 cites·20 claims
- 4546US5451848AMotor drive circuitTOKAI RIKA CO LTD·Filed 1993·Granted Sep 19, 1995·11 cites·7 claims
- 4645US5233492AFlying type composite magnetic head having Mn-Zn ferrite coreHITACHI METALS LTD·Filed 1992·Granted Aug 3, 1993·6 cites·7 claims
- 4745US2022235775A1Rotating deviceMINEBEA MITSUMI INC·Filed 2020·Application pending·0 cites
- 4844US5755668ACatheter having pressure detecting abilityTOKAI RIKA CO LTD·Filed 1996·Granted May 26, 1998·40 cites·13 claims
- 4942US6617191B1Method for anodizing silicon substrates for surface type acceleration sensorsTOKAI RIKA CO LTD·Filed 1998·Granted Sep 9, 2003·11 cites·14 claims
- 5042US5831165AAcceleration sensorTOKAI RIKA CO LTD·Filed 1995·Granted Nov 3, 1998·9 cites·13 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →