Inventor · disambiguated record
Hisanobu Kanamaru
Also filed as: KANAMARU HISANOBU
81 granted patents·2 pending applications·1,535 citations·filing 1975–2003
99Inventor score
Files withHITACHI LTD60AIDA ENG LTD16HITACHI CABLE1HITACHI CONSTRUCTION MACHINERY1HITACHI POWDERED METALS1
Top patents by PatentIndex Score
83 records- 0198US4376333AMethod of joining members of metal by forced insertionHITACHI LTD·Filed 1979·Granted Mar 15, 1983·89 cites·5 claims
- 0292US4580431AMethod and apparatus for producing a stepped hollow articleHITACHI LTD·Filed 1984·Granted Apr 8, 1986·77 cites·6 claims
- 0390US4873150AHigh water-resistant member, and valve gear using the same for use in internal combustion engineHITACHI LTD·Filed 1987·Granted Oct 10, 1989·63 cites·37 claims
- 0489US4377762ARotary electric machine rotor and a method of manufacturing the sameHITACHI LTD·Filed 1981·Granted Mar 22, 1983·54 cites·7 claims
- 0588US6422831B1Variable displacement piston pump/motorAIDA ENG LTD·Filed 2000·Granted Jul 23, 2002·32 cites·5 claims
- 0687US4077810AAluminum alloys having improved mechanical properties and workability and method of making sameHITACHI LTD·Filed 1975·Granted Mar 7, 1978·48 cites·23 claims
- 0785US6524092B1Slide guide device, knockout device, and press machine using the sameAIDA ENG LTD·Filed 2000·Granted Feb 25, 2003·14 cites·14 claims
- 0883US4339873AMethod of making rotor of rotary machinesHITACHI LTD·Filed 1980·Granted Jul 20, 1982·39 cites·7 claims
- 0982US5012982AElectromagnetic fuel injectorHITACHI LTD·Filed 1989·Granted May 7, 1991·34 cites·17 claims
- 1081US4829950AValve lifter and method of producing the sameHITACHI LTD·Filed 1987·Granted May 16, 1989·35 cites·4 claims
- 1180US4783898AMethod of producing a shaft having plate-like member joined theretoHITACHI POWDERED METALS·Filed 1987·Granted Nov 15, 1988·28 cites·11 claims
- 1279US5156341AElectromagnetic type fuel injection valveHITACHI LTD·Filed 1989·Granted Oct 20, 1992·26 cites·13 claims
- 1379US5129797AEqual velocity universal joint and axial piston pump motor device using the jointHITACHI LTD·Filed 1991·Granted Jul 14, 1992·40 cites·26 claims
- 1479US5127156AMethod for concentrically assembling a pair of cylindrical members and method for assembling a nozzle in a fuel injectorHITACHI LTD·Filed 1990·Granted Jul 7, 1992·42 cites·9 claims
- 1578US5746085AGear forming methodHITACHI LTD·Filed 1996·Granted May 5, 1998·39 cites·9 claims
- 1677US4653305AApparatus for forming metallic article by cold extrusionHITACHI LTD·Filed 1984·Granted Mar 31, 1987·30 cites·6 claims
- 1777US4305198AMethod of making an electromagnetic clutchHITACHI LTD·Filed 1979·Granted Dec 15, 1981·23 cites·3 claims
- 1877US4249298AMethod for connecting two membersHITACHI LTD·Filed 1979·Granted Feb 10, 1981·25 cites·15 claims
- 1976US6871587B2Machine pressAIDA ENG LTD·Filed 2002·Granted Mar 29, 2005·12 cites·13 claims
- 2076US5861577ASeal structure for member-passing-through hole bored in metal partition memberHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jan 19, 1999·38 cites·40 claims
- 2176US5634852AUniform speed joint and axial piston pump using the jointHITACHI LTD·Filed 1995·Granted Jun 3, 1997·26 cites·8 claims
- 2276US4884952AVariable displacement compressorHITACHI LTD·Filed 1988·Granted Dec 5, 1989·33 cites·8 claims
- 2374US4413717AElectromagnetic clutch and method of manufactureHITACHI LTD·Filed 1981·Granted Nov 8, 1983·17 cites·5 claims
- 2472US6951124B2Method for making elements of a continuously variable transmission beltAIDA ENG LTD·Filed 2003·Granted Oct 4, 2005·11 cites·2 claims
- 2572US6369981B2Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 2001·Granted Apr 9, 2002·13 cites·14 claims
- 2670US5584202AMethod and apparatus for manufacturing internal gear, internal gear structure and reduction mechanism unit having internal gear structureHITACHI LTD·Filed 1994·Granted Dec 17, 1996·28 cites·11 claims
- 2769US6189199B1Method of manufacturing a hose coupling from an intermediate blank materialHITACHI CABLE·Filed 1997·Granted Feb 20, 2001·32 cites·23 claims
- 2869US5176066AAxial piston pump apparatus with an improved drive mechanismHITACHI LTD·Filed 1991·Granted Jan 5, 1993·27 cites·13 claims
- 2969US5109823AFuel injector device and method of producing the sameHITACHI LTD·Filed 1991·Granted May 5, 1992·28 cites·11 claims
- 3068US5195221ASlider with yoke for slide fastener and its joining methodYOSHIDA KOGYO KK·Filed 1992·Granted Mar 23, 1993·27 cites·7 claims
- 3168US5028148ASlide bearing deviceHITACHI LTD·Filed 1990·Granted Jul 2, 1991·25 cites·21 claims
- 3267US6478566B2Slide guide device, knockout device, and press machine using the sameAIDA ENG LTD·Filed 2002·Granted Nov 12, 2002·5 cites·6 claims
- 3367US5035677AA universal power transmission joint having a pair of drive pins fixed in parallel by a tie memberHITACHI LTD·Filed 1989·Granted Jul 30, 1991·17 cites·12 claims
- 3466US5239751AMethod of producing nozzle for solenoid valveHITACHI LTD·Filed 1991·Granted Aug 31, 1993·23 cites·11 claims
- 3566US4295553AElectromagnetic clutchHITACHI LTD·Filed 1980·Granted Oct 20, 1981·16 cites·11 claims
- 3665US6406374B1Outer ring of a constant velocity universal joint and manufacturing method for the sameAIDA ENG LTD·Filed 2000·Granted Jun 18, 2002·10 cites·18 claims
- 3765US4306167AFlywheel magneto rotor and manufacture method thereofHITACHI LTD·Filed 1979·Granted Dec 15, 1981·19 cites·11 claims
- 3865US4038860APlastic molding process for metalHITACHI LTD·Filed 1975·Granted Aug 2, 1977·17 cites·6 claims
- 3964US7013800B2Mechanical pressAIDA ENG LTD·Filed 2003·Granted Mar 21, 2006·5 cites·16 claims
- 4064US4924690AMethod and apparatus for plastically forming helical internal gears and helical gearsMH CENTER LTD·Filed 1988·Granted May 15, 1990·23 cites·4 claims
- 4163US4018075APlastic working dies for cylindrical partsHITACHI LTD·Filed 1976·Granted Apr 19, 1977·11 cites·1 claims
- 4262US6764218B2Slide guide device for pressesAIDA ENG LTD·Filed 2001·Granted Jul 20, 2004·8 cites·18 claims
- 4362US6243230B1Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 1999·Granted Jun 5, 2001·19 cites·4 claims
- 4462US5346137AElectromagnetic fuel injection valveHITACHI LTD·Filed 1993·Granted Sep 13, 1994·19 cites·27 claims
- 4562US4335496AMethod of coupling two concentrically disposed membersHITACHI LTD·Filed 1979·Granted Jun 22, 1982·13 cites·15 claims
- 4662US4325678AHydraulic pressure producing system for a hydraulic pressHITACHI LTD·Filed 1979·Granted Apr 20, 1982·15 cites·4 claims
- 4761US4403402AMethod for producing a magneto device for generating signalsHITACHI LTD·Filed 1979·Granted Sep 13, 1983·16 cites·7 claims
- 4860US6688153B2Toothed part with a shaft and molding method for the sameAIDA ENG LTD·Filed 2001·Granted Feb 10, 2004·7 cites·11 claims
- 4959US5040731AElectromagnetic fuel injection and method of producing the sameHITACHI LTD·Filed 1989·Granted Aug 20, 1991·12 cites·6 claims
- 5059US4815192AMethod of securing an elongated vibration amplifier member to an annular vibrating reedHITACHI LTD·Filed 1987·Granted Mar 28, 1989·17 cites·4 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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