Inventor · disambiguated record
Hideki Maruyama
Also filed as: MARUYAMA HIDEKI
20 granted patents·6 pending applications·220 citations·filing 1981–2018
93Inventor score
Files withMARUYAMA HIDEKI6EAGLE IND CO LTD5HITACHI LTD4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3NISSAN MOTOR3
Top patents by PatentIndex Score
26 records- 0189US6172752B1Method and apparatus for simultaneously interferometrically measuring optical characteristics in a noncontact mannerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 9, 2001·114 cites·26 claims
- 0277US6962340B2Mechanical seal deviceEAGLE IND CO LTD·Filed 2003·Granted Nov 8, 2005·18 cites·4 claims
- 0377US4407186AFlow outlet structure for automotive air conditionerNISSAN MOTOR·Filed 1981·Granted Oct 4, 1983·29 cites·6 claims
- 0464US10246077B2Vehicle regenerative speed control deviceNISSAN MOTOR·Filed 2015·Granted Apr 2, 2019·2 cites·4 claims
- 0562US6108165ARotary drum equipment and recording/reproducing equipment using the sameHITACHI LTD·Filed 1998·Granted Aug 22, 2000·17 cites·36 claims
- 0661US8305851B2Optical disk apparatusISSHIKI FUMIO·Filed 2010·Granted Nov 6, 2012·1 cites·11 claims
- 0757US8154961B2Optical disk apparatus and focus jump method for multilayer optical diskMARUYAMA HIDEKI·Filed 2009·Granted Apr 10, 2012·0 cites·2 claims
- 0857US7463275B2Light source for image writing apparatus and production method for light sourcePANASONIC CORP·Filed 2003·Granted Dec 9, 2008·7 cites·16 claims
- 0956US7093836B2Seal deviceEAGLE IND CO LTD·Filed 2004·Granted Aug 22, 2006·7 cites·10 claims
- 1056US5907162ALight-emitting device and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 25, 1999·19 cites·32 claims
- 1155US7936652B2Optical disc apparatusHITACHI LTD·Filed 2008·Granted May 3, 2011·0 cites·5 claims
- 1253US8077573B2Optical disk apparatus and disk identification methodMARUYAMA HIDEKI·Filed 2009·Granted Dec 13, 2011·0 cites·16 claims
- 1352US8134902B2Optical disc drive apparatus and its control methodMARUYAMA HIDEKI·Filed 2009·Granted Mar 13, 2012·0 cites·7 claims
- 1451USD306211SCombination torch and audible signal with standFEE TAT PLASTIC FACTORY LTD·Filed 1986·Granted Feb 20, 1990·6 cites·1 claims
- 1549US11300210B2Mechanical sealEAGLE IND CO LTD·Filed 2018·Granted Apr 12, 2022·0 cites·5 claims
- 1649US2008239919A1Disc medium and disc device using the sameMARUYAMA HIDEKI·Filed 2008·Application pending·0 cites
- 1748US8422351B2Optical disk apparatus and driving method thereofMARUYAMA HIDEKI·Filed 2006·Granted Apr 16, 2013·0 cites·11 claims
- 1840US2003223141A1Recording/reproducting apparatus and recording/reproducing method using rotary magnetic headsHITACHI LTD·Filed 2002·Application pending·0 cites
- 1939US2004161192A1Exposing apparatus and image forming apparatus using organic electroluminescence elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 2037US8208354B2Optical disc apparatus, driving method of optical disc apparatusMARUYAMA HIDEKI·Filed 2010·Granted Jun 26, 2012·0 cites·22 claims
- 2137US8121000B2Optical disk apparatusISSHIKI FUMIO·Filed 2010·Granted Feb 21, 2012·0 cites·9 claims
- 2236US2018156219A1Shaft-sealing device and submersible pumpEAGLE IND CO LTD·Filed 2016·Application pending·0 cites
- 2335US10024436B2Mechanical sealEAGLE IND CO LTD·Filed 2015·Granted Jul 17, 2018·0 cites·12 claims
- 2434US10253876B2Vehicle regenerative speed control deviceNISSAN MOTOR·Filed 2015·Granted Apr 9, 2019·0 cites·4 claims
- 2532US2015294682A1Optical information apparatusHITACHI LTD·Filed 2015·Application pending·0 cites
- 2626US2010246620A1Laser deviceSUMITOMO ELECTRIC DEVICE INNOV·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →