Inventor · disambiguated record
Akio Hara
Also filed as: HARA AKIO · YAMAMOTO TAKAHARU
46 granted patents·7 pending applications·2,394 citations·filing 1971–2020
99Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES35FUJITSU LTD5HARA AKIO5HITACHI MEDICAL CORP2OSAKA DIAMOND IND2
Top patents by PatentIndex Score
53 records- 0199US4303442ADiamond sintered body and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1979·Granted Dec 1, 1981·163 cites·8 claims
- 0298US5037704AHard sintered compact for a toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Aug 6, 1991·142 cites·11 claims
- 0398US4412980AMethod for producing a diamond sintered compactSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Nov 1, 1983·197 cites·11 claims
- 0498US4403015ACompound sintered compact for use in a tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Sep 6, 1983·185 cites·13 claims
- 0598US4343651ASintered compact for use in a toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1980·Granted Aug 10, 1982·85 cites·6 claims
- 0698US4334928ASintered compact for a machining tool and a method of producing the compactSUMITOMO ELECTRIC INDUSTRIES·Filed 1980·Granted Jun 15, 1982·165 cites·9 claims
- 0797US4374900AComposite diamond compact for a wire drawing die and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1979·Granted Feb 22, 1983·86 cites·29 claims
- 0897US4333902AProcess of producing a sintered compactSUMITOMO ELECTRIC INDUSTRIES·Filed 1977·Granted Jun 8, 1982·88 cites·12 claims
- 0996US4643620ACoated hard metal toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1984·Granted Feb 17, 1987·87 cites·3 claims
- 1096US4425315ADiamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Jan 10, 1984·108 cites·16 claims
- 1195US4231762AMethod of producing a sintered diamond compactSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Nov 4, 1980·61 cites·5 claims
- 1294US4333986ADiamond sintered compact wherein crystal particles are uniformly orientated in a particular direction and a method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1980·Granted Jun 8, 1982·82 cites·3 claims
- 1394US4049876ACemented carbonitride alloysSUMITOMO ELECTRIC INDUSTRIES·Filed 1976·Granted Sep 20, 1977·61 cites·11 claims
- 1493US4150195ASurface-coated cemented carbide article and a process for the production thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1977·Granted Apr 17, 1979·57 cites·7 claims
- 1592US6312324B1Superabrasive tool and method of manufacturing the sameOSAKA DIAMOND IND·Filed 1997·Granted Nov 6, 2001·189 cites·25 claims
- 1692US4008090AProcess for the production of tungsten carbide or mixed metal carbidesSUMITOMO ELECTRIC INDUSTRIES·Filed 1975·Granted Feb 15, 1977·59 cites·4 claims
- 1790US4370149ADiamond compact for a wire drawing die and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Jan 25, 1983·37 cites·10 claims
- 1890US4265662AHard alloy containing molybdenum and tungstenSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted May 5, 1981·31 cites·16 claims
- 1987US4171973ADiamond/sintered carbide cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Oct 23, 1979·31 cites·5 claims
- 2084US4639352AHard alloy containing molybdenumSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Jan 27, 1987·33 cites·12 claims
- 2183US4216009AMethod of making alloy and carbide powders of molybdenum and tungstenSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Aug 5, 1980·24 cites·20 claims
- 2282US4880707AStick of composite materials and process for preparation thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Nov 14, 1989·46 cites·21 claims
- 2380US4120719ACemented carbonitride alloys containing tantalumSUMITOMO ELECTRIC INDUSTRIES·Filed 1976·Granted Oct 17, 1978·21 cites·5 claims
- 2478US4389465ASintered compact for use in a tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Jun 21, 1983·31 cites·5 claims
- 2578US4216034AProcess for the production of a hard solid solutionSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Aug 5, 1980·20 cites·15 claims
- 2676US4225344AProcess for producing sintered hard metals and an apparatus thereforSUMITOMO ELECTRIC INDUSTRIES·Filed 1978·Granted Sep 30, 1980·25 cites·6 claims
- 2770US4890782AProcess for the production of a composite toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Jan 2, 1990·21 cites·5 claims
- 2869US4950557AComposite tool and a process for the production of the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Aug 21, 1990·20 cites·5 claims
- 2968US4293618ASintered body for use in a cutting tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1979·Granted Oct 6, 1981·17 cites·4 claims
- 3066US8052325B2X-ray fluoroscope table and X-ray fluoroscope systemHITACHI MEDICAL CORP·Filed 2007·Granted Nov 8, 2011·6 cites·9 claims
- 3163US5955212ASuperhard film-coated member and method of manufacturing the sameOSAKA DIAMOND IND·Filed 1993·Granted Sep 21, 1999·24 cites·16 claims
- 3263US4755399AProcess for the production of a cutting toolSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Jul 5, 1988·16 cites·3 claims
- 3359US4442180ASintered body for use in a cutting tool and the method for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Apr 10, 1984·14 cites·10 claims
- 3458US4614638AProcess for producing sintered ferrous alloysSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Sep 30, 1986·12 cites·19 claims
- 3555US4861673AComposite sintered material having sandwich structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Aug 29, 1989·15 cites·3 claims
- 3654US6653871B2Method of and circuit for controlling a clockFUJITSU LTD·Filed 2002·Granted Nov 25, 2003·10 cites·20 claims
- 3753US6027247AX-ray photographing apparatusHITACHI MEDICAL CORP·Filed 1996·Granted Feb 22, 2000·83 cites·39 claims
- 3852US11488913B2Semiconductor device with guard ringSOCIONEXT INC·Filed 2020·Granted Nov 1, 2022·0 cites·12 claims
- 3952US4492846AProcess for the production of bonded hard alloysSUMITOMO ELECTRIC INDUSTRIES·Filed 1982·Granted Jan 8, 1985·9 cites·5 claims
- 4051US2011304150A1Fixing structure for generator shaft of wind driven generator of outer rotor coreless typeHARA AKIO·Filed 2009·Application pending·0 cites
- 4150US2008086578A1Integrated circuit device having send/receive macro for serial transfer busFUJITSU LTD·Filed 2007·Application pending·0 cites
- 4249US7073045B2Memory interface circuit having plurality of prefetch buffers, each assigned to either first prefetch buffer enabled for rewrite or second prefetch buffer disabled for rewrite during normal operation periodFUJITSU LTD·Filed 2004·Granted Jul 4, 2006·1 cites·11 claims
- 4349US4384884AProcess for the production of a hard solid solution containing molybdenumSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted May 24, 1983·7 cites·5 claims
- 4447US7028237B2Internal bus testing device and methodFUJITSU LTD·Filed 2003·Granted Apr 11, 2006·2 cites·12 claims
- 4546US3932231AMethod of making surface-coated cemented carbide articlesSUMITOMO ELECTRIC INDUSTRIES·Filed 1971·Granted Jan 13, 1976·7 cites·10 claims
- 4645US4600884AApparatus for determining the continuity of holes formed in a conductive sheetTOYO SEIKAN KAISHA LTD·Filed 1982·Granted Jul 15, 1986·9 cites·5 claims
- 4745US2005091427A1Integrated circuit device having send/receive macro for serial transfer busFUJITSU LTD·Filed 2004·Application pending·0 cites
- 4843US2011266903A1Coaxial inversion coreless generatorHARA AKIO·Filed 2009·Application pending·0 cites
- 4943US2011171033A1Power-generating wind turbine and its manufacturing methodHARA AKIO·Filed 2008·Application pending·0 cites
- 5041US2010133659A1Semiconductor device and method of manufacturing semiconductor integrated circuit chipFUJITSU MICROELECTRONICS LTD·Filed 2009·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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