Inventor · disambiguated record
Hidenori Wada
Also filed as: WADA HIDENORI
79 granted patents·15 pending applications·554 citations·filing 1992–2021
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD45PANASONIC CORP19NIPPON CATALYTIC CHEM IND6DENSO CORP3KOMMA YOSHIAKI3
Top patents by PatentIndex Score
94 records- 0197US11459431B2Method for producing polyacrylic acid (salt)-based water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2020·Granted Oct 4, 2022·4 cites·10 claims
- 0294US6954417B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 11, 2005·30 cites·22 claims
- 0393US7158450B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 2, 2007·23 cites·4 claims
- 0493US6532202B1Optical element, optical head and optical recording reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 11, 2003·48 cites·31 claims
- 0592US6819646B1Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 16, 2004·31 cites·4 claims
- 0691US6987615B2Diffractive optical element and optical head using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 17, 2006·27 cites·20 claims
- 0789US7161890B2Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 9, 2007·19 cites·9 claims
- 0888US9074030B2Polyacrylic acid-type water absorbent resin and method for producing sameTAKAAI TOSHIHIRO·Filed 2011·Granted Jul 7, 2015·5 cites·12 claims
- 0987US7773304B2Optical pickup, optical disc drive device, and optical information devicePANASONIC CORP·Filed 2007·Granted Aug 10, 2010·6 cites·12 claims
- 1087US6987598B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 17, 2006·12 cites·11 claims
- 1187US6549346B2Assembled lens, optical head and optical recordable player with themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 15, 2003·22 cites·34 claims
- 1287US5644413AOptical head for adjusting a positional relation between the information medium and the optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 1, 1997·51 cites·38 claims
- 1386US7333405B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 19, 2008·4 cites·12 claims
- 1486US6480454B1Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 12, 2002·44 cites·44 claims
- 1585US7034980B2Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 25, 2006·3 cites·15 claims
- 1684US7283450B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 16, 2007·3 cites·3 claims
- 1783US6661415B1Liquid crystal driver and optical head for tilt correctionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 9, 2003·24 cites·20 claims
- 1883US5347504AOptical disk apparatus for optically recording or reproducing information on an optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 13, 1994·26 cites·5 claims
- 1982US7889622B2Optical head for optical recorder/reproducerPANASONIC CORP·Filed 2005·Granted Feb 15, 2011·4 cites·6 claims
- 2081US7330419B2Optical head device and optical information apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 12, 2008·3 cites·13 claims
- 2181US7170664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 30, 2007·2 cites·11 claims
- 2281US7164638B2Optical head and optical recording/reproducing device using it and aberration correction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 16, 2007·14 cites·18 claims
- 2377US7035192B2Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 25, 2006·8 cites·4 claims
- 2476US8909002B2Light modulator, optical pickup, and light modulation modulePANASONIC CORP·Filed 2013·Granted Dec 9, 2014·2 cites·11 claims
- 2576US7352664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 1, 2008·1 cites·6 claims
- 2676US7085203B2Optical head with defocusing correction and spherical aberration correctionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 1, 2006·9 cites·26 claims
- 2776US7027378B2Optical disk device and information recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 11, 2006·6 cites·13 claims
- 2875US9956723B2Method for sealing a jointTOLI CORP·Filed 2016·Granted May 1, 2018·3 cites·8 claims
- 2975US7738343B2Optical disk device and information recording/reproducing methodPANASONIC CORP·Filed 2006·Granted Jun 15, 2010·1 cites·8 claims
- 3074US9315640B2Polyacrylic acid-type water absorbent resin and method for producing sameNIPPON CATALYTIC CHEM IND·Filed 2015·Granted Apr 19, 2016·1 cites·8 claims
- 3174US7110342B2Optical head device and optical information apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 19, 2006·7 cites·12 claims
- 3274US6584059B1Information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 24, 2003·10 cites·6 claims
- 3373US8483034B2Optical pickup, inclination angle detection method, optical information device and information processing deviceWADA HIDENORI·Filed 2011·Granted Jul 9, 2013·3 cites·19 claims
- 3473US7640559B2Objective lens actuatorPANASONIC CORP·Filed 2006·Granted Dec 29, 2009·2 cites·10 claims
- 3573US7268947B2Diffractive optical element and optical head using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Sep 11, 2007·5 cites·23 claims
- 3672US7652970B2Light information apparatus and control method of light information apparatusPANASONIC CORP·Filed 2005·Granted Jan 26, 2010·2 cites·30 claims
- 3771US7480227B2Optical head device and optical information apparatus using the samePANASONIC CORP·Filed 2006·Granted Jan 20, 2009·1 cites·16 claims
- 3870US8184522B2Optical head for optical recorder/reproducerWADA HIDENORI·Filed 2011·Granted May 22, 2012·2 cites·7 claims
- 3969US5430701AOptical disk apparatus for optically recording or reproducing information on an optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 4, 1995·14 cites·8 claims
- 4068US7466642B2Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation systemPANASONIC CORP·Filed 2003·Granted Dec 16, 2008·8 cites·36 claims
- 4167US7254107B2Optical head and optical recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 7, 2007·6 cites·28 claims
- 4266US7580327B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodPANASONIC CORP·Filed 2007·Granted Aug 25, 2009·0 cites·2 claims
- 4366US7215476B2Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 8, 2007·4 cites·12 claims
- 4465US9443182B2Card keyDENSO CORP·Filed 2013·Granted Sep 13, 2016·3 cites·8 claims
- 4564US2015307667A1Polyacrylic acid (salt)-based water absorbent resin, and method for producing polyacrylic acid (salt)-based water absorbent resinNIPPON CATALYTIC CHEM IND·Filed 2013·Application pending·0 cites
- 4663US7813251B2Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatusPANASONIC CORP·Filed 2007·Granted Oct 12, 2010·0 cites·15 claims
- 4761US5748599AHolographic optical deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 5, 1998·12 cites·11 claims
- 4861US5440536AOptical disk apparatus for producing information recorded on a recording trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 8, 1995·10 cites·5 claims
- 4960US7317676B2Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jan 8, 2008·0 cites·11 claims
- 5059US7944798B2Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holderPANASONIC CORP·Filed 2006·Granted May 17, 2011·0 cites·37 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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