Inventor · disambiguated record
Hiroshi Obara
Also filed as: OBARA HIROSHI
24 granted patents·2 pending applications·545 citations·filing 1974–2006
97Inventor score
Top patents by PatentIndex Score
26 records- 0196US3935485APiezoelectric key board switchKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Jan 27, 1976·123 cites·16 claims
- 0294US7552998B2Method and apparatus for image forming capable of increasing maintenance efficiencyRICOH KK·Filed 2005·Granted Jun 30, 2009·20 cites·16 claims
- 0387USD478618SPrinter for a computerRICOH KK·Filed 2002·Granted Aug 19, 2003·33 cites·1 claims
- 0480USD447766SPortable printerRICOH KK·Filed 2000·Granted Sep 11, 2001·30 cites·1 claims
- 0579US6057936AImage forming apparatus having internal space for sheet ejection and retentionRICOH KK·Filed 1998·Granted May 2, 2000·62 cites·23 claims
- 0678US4071785ALaminated piezoelectric matrix switchKUREHA CHEMICAL IND CO LTD·Filed 1976·Granted Jan 31, 1978·17 cites·1 claims
- 0777US4258260APyroelectric infrared detectorKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Mar 24, 1981·24 cites·8 claims
- 0874US5756130AStamper for producing recording mediumHITACI MAXELL LTD·Filed 1994·Granted May 26, 1998·37 cites·4 claims
- 0974US3969927AVibration measuring and the apparatus thereforKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Jul 20, 1976·25 cites·3 claims
- 1072US4406967AUltrasonic probeKUREHA CHEMICAL IND CO LTD·Filed 1981·Granted Sep 27, 1983·26 cites·5 claims
- 1170US4258259AInfrared detectorKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Mar 24, 1981·19 cites·14 claims
- 1269US5216566AFloppy disk unit with liner of fibers containing inorganic oxide powderHITACHI MAXELL·Filed 1991·Granted Jun 1, 1993·19 cites·6 claims
- 1367US4543293APolarized, shaped material of copolymer of vinylidene fluorideKUREHA CHEMICAL IND CO LTD·Filed 1983·Granted Sep 24, 1985·14 cites·8 claims
- 1458USD313809SCameraRICOH CO LTD·Filed 1988·Granted Jan 15, 1991·7 cites·1 claims
- 1555US4412147AUltrasonic holography imaging device having a macromolecular piezoelectric element transducerKUREHA CHEMICAL IND CO LTD·Filed 1980·Granted Oct 25, 1983·15 cites·3 claims
- 1653US6276366B1Rod-shaped test-piece testing apparatusJAPAN TOBACCO INC·Filed 1999·Granted Aug 21, 2001·21 cites·6 claims
- 1751USD510090SBar code readerRICOH KK·Filed 2004·Granted Sep 27, 2005·7 cites·1 claims
- 1851USD323521SCameraRICOH CO LTD·Filed 1989·Granted Jan 28, 1992·5 cites·1 claims
- 1948US2007021302A1Optical disk and manufacturing method thereforHITACHI MAXELL·Filed 2006·Application pending·0 cites
- 2045US5873982AMethod and apparatus of discriminating coal speciesJAPAN TOBACCO INC·Filed 1997·Granted Feb 23, 1999·15 cites·5 claims
- 2145US4467202APhotoelectric detectorKUREHA CHEMICAL IND CO LTD·Filed 1982·Granted Aug 21, 1984·8 cites·37 claims
- 2243US4577090APrimary cable apparatus for robot welding gunOBARA CORP·Filed 1983·Granted Mar 18, 1986·6 cites·4 claims
- 2341US5091623AWelding gun provided with a backup cylinderOBARA CORP·Filed 1990·Granted Feb 25, 1992·8 cites·3 claims
- 2438US3984903AMethod of spanning across a frame a high-molecular-weight piezoelectric elementKUREHA CHEMICAL IND CO LTD·Filed 1975·Granted Oct 12, 1976·4 cites·16 claims
- 2538US2007140708A1Image forming apparatus and associated methodology of indicating an available level of imaging resourcesYONEKAWA MASAHIRO·Filed 2006·Application pending·0 cites
- 2630US4673793AConnecting metal fittings for resistance welderOBARA CORP·Filed 1985·Granted Jun 16, 1987·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →