Inventor · disambiguated record
Hitoshi Oyama
Also filed as: OYAMA HITOSHI
50 granted patents·7 pending applications·935 citations·filing 1994–2016
98Inventor score
Files withSRI SPORTS LTD14SUMITOMO ELECTRIC INDUSTRIES13SEIKO EPSON CORP6DUNLOP SPORTS CO LTD5SUMITOMO RUBBER IND5
Top patents by PatentIndex Score
57 records- 0196US9630077B2Grip for sporting goods and golf clubDUNLOP SPORTS CO LTD·Filed 2015·Granted Apr 25, 2017·8 cites·16 claims
- 0296US7691008B2Golf club headSRI SPORTS LTD·Filed 2007·Granted Apr 6, 2010·92 cites·19 claims
- 0395US7261645B2Golf club headSRI SPORTS LTD·Filed 2005·Granted Aug 28, 2007·74 cites·11 claims
- 0494US8167737B2Wood-type golf club headOYAMA HITOSHI·Filed 2009·Granted May 1, 2012·83 cites·4 claims
- 0594US7946931B2Golf club headSRI SPORTS LTD·Filed 2008·Granted May 24, 2011·68 cites·10 claims
- 0694US7578755B2Wood-type hollow golf club headSRI SPORTS LTD·Filed 2007·Granted Aug 25, 2009·67 cites·4 claims
- 0793US7281993B2Golf club head and manufacturing method of the sameSRI SPORTS LTD·Filed 2005·Granted Oct 16, 2007·56 cites·7 claims
- 0891US7766765B2Wood-type golf club headSRI SPORTS LTD·Filed 2006·Granted Aug 3, 2010·48 cites·8 claims
- 0990US8861016B2Method of adding value to print data, a value-adding device, and a recording mediumKODAMA TOMOHIRO·Filed 2011·Granted Oct 14, 2014·19 cites·8 claims
- 1089US10286269B2Grip for sporting goods and golf clubSUMITOMO RUBBER IND·Filed 2016·Granted May 14, 2019·2 cites·24 claims
- 1188US6155654AMethod for controlling electromagnetic proportional pressure control valveSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Dec 5, 2000·42 cites·5 claims
- 1286US9339700B2Golf clubDUNLOP SPORTS CO LTD·Filed 2015·Granted May 17, 2016·8 cites·16 claims
- 1386US7361098B2Golf club shaftSRI SPORTS LTD·Filed 2005·Granted Apr 22, 2008·27 cites·12 claims
- 1484US7318780B2Golf clubSRI SPORTS LTD·Filed 2005·Granted Jan 15, 2008·22 cites·8 claims
- 1584US7300360B2Golf clubSRI SPORTS LTD·Filed 2006·Granted Nov 27, 2007·23 cites·1 claims
- 1682US6357480B1Pressure control valveSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 19, 2002·19 cites·13 claims
- 1781US8526045B2Expanding application functionality without changing the existing applicationFURUHATA TADASHI·Filed 2011·Granted Sep 3, 2013·7 cites·12 claims
- 1880US8861009B2Function expansion method using print data for a point-of-sale terminalSEIKO EPSON CORP·Filed 2013·Granted Oct 14, 2014·4 cites·16 claims
- 1979US8693036B2Distribution processing method, distribution processing device, print data processing method, print data processing device, and recording mediumOYAMA HITOSHI·Filed 2011·Granted Apr 8, 2014·6 cites·16 claims
- 2079US7278925B2Golf club headSRI SPORTS LTD·Filed 2004·Granted Oct 9, 2007·29 cites·14 claims
- 2177US6367433B2Electromagnetic actuator and valve-open-close mechanismITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted Apr 9, 2002·16 cites·5 claims
- 2275US6380832B2Electromagnetic actuatorITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted Apr 30, 2002·20 cites·5 claims
- 2373US9262106B2Method of adding value to print data, a value-adding device, and a recording mediumSEIKO EPSON CORP·Filed 2015·Granted Feb 16, 2016·1 cites·17 claims
- 2473US9030706B2Method of adding value to print data, a value-adding device, and a recording mediumSEIKO EPSON CORP·Filed 2014·Granted May 12, 2015·2 cites·8 claims
- 2572US9919191B2Golf club grip and golf clubDUNLOP SPORTS CO LTD·Filed 2015·Granted Mar 20, 2018·3 cites·10 claims
- 2669US6863623B2Golf club shaftSUMITOMO RUBBER IND·Filed 2002·Granted Mar 8, 2005·16 cites·11 claims
- 2768US9030704B2Function expansion method using print data for a point-of-sale terminalSEIKO EPSON CORP·Filed 2014·Granted May 12, 2015·1 cites·7 claims
- 2867US6203123B1Method of detecting temperature of brake fluid and method of controlling brake fluid pressureSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Mar 20, 2001·18 cites·6 claims
- 2966US6872151B2Golf club shaftSUMITOMO RUBBER IND·Filed 2003·Granted Mar 29, 2005·13 cites·6 claims
- 3065US6566990B2Electromagnetic actuator and valve-open-close mechanismITAMI WORKS OF SUMITOMO ELECTR·Filed 2000·Granted May 20, 2003·10 cites·11 claims
- 3164US9065306B2Oxide superconducting coil, oxide-superconducting-coil assembly, and rotating machineSHINZATO TSUYOSHI·Filed 2010·Granted Jun 23, 2015·2 cites·7 claims
- 3264US6926617B2Golf club shaftSRI SPORTS LTD·Filed 2003·Granted Aug 9, 2005·12 cites·18 claims
- 3363US5574365ATravel sensor having a magnetic sensor attached to a truncated pyramid and a movable magnetSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Nov 12, 1996·18 cites·7 claims
- 3462US8374664B2Container for superconducting apparatus and superconducting apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2010·Granted Feb 12, 2013·1 cites·16 claims
- 3561US7414338B2Electric rotating machine capable of reducing performance deterioration due to dischargeTOYOTA MOTOR CO LTD·Filed 2004·Granted Aug 19, 2008·7 cites·5 claims
- 3660US8886266B2Superconducting coil, rotating device, and superconducting coil manufacturing methodSHINZATO TSUYOSHI·Filed 2010·Granted Nov 11, 2014·1 cites·3 claims
- 3760US6371063B2Valve-open-close mechanismSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 16, 2002·15 cites·10 claims
- 3856US7258812B2Compound magnetic material and fabrication method thereofDENSO CORP·Filed 2002·Granted Aug 21, 2007·5 cites·6 claims
- 3954US6953402B2Golf club shaftSUMITOMO RUBBER IND·Filed 2001·Granted Oct 11, 2005·4 cites·8 claims
- 4054US2009017937A1Wood-type golf club headSRI SPORTS LTD·Filed 2008·Application pending·0 cites
- 4153US9717965B2Golf club grip and golf clubDUNLOP SPORTS CO LTD·Filed 2015·Granted Aug 1, 2017·0 cites·22 claims
- 4252US10248944B2Function expansion method in a point-of-sale system using print dataSEIKO EPSON CORP·Filed 2015·Granted Apr 2, 2019·0 cites·7 claims
- 4352US6247765B1Method and apparatus for controlling fluid pressureSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jun 19, 2001·21 cites·6 claims
- 4452US2007298906A1Golf club headSRI SPORTS LTD·Filed 2007·Application pending·0 cites
- 4551US7579723B2Power magnetic core and stator coreSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Aug 25, 2009·5 cites·6 claims
- 4651US5712227ASubstrate having a superconductor layerSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 27, 1998·10 cites·2 claims
- 4750US9111198B2Print control method, print control device, and storage mediumSEIKO EPSON CORP·Filed 2014·Granted Aug 18, 2015·0 cites·11 claims
- 4849US5904335AFlow control valve with a pressure compensation functionSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 18, 1999·18 cites·3 claims
- 4948US2011218049A1Golf clubOYAMA HITOSHI·Filed 2011·Application pending·0 cites
- 5048US2006009302A1Golf clubSRI SPORTS LTD·Filed 2005·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →