HITACHI MAXELL, LTD.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 407 39
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 238 40
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 235 28
 
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 183 20
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 136 246
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 64 59
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 57 113
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 51 125
 
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 48 67
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 44 86
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0253,512 MANIPULATION DETECTION APPARATUS, MANIPULATION DETECTION METHOD, AND PROJECTOR Feb 04, 14 Sep 11, 14 [G06F]
2014/0253,513 OPERATION DETECTION DEVICE, OPERATION DETECTION METHOD AND PROJECTOR Feb 24, 14 Sep 11, 14 [G06F]
2014/0253,818 PROJECTION VIDEO DISPLAY DEVICE Oct 13, 11 Sep 11, 14 [H04N]
2014/0254,129 LIGHT SOURCE DEVICE Feb 25, 14 Sep 11, 14 [F21V]
2014/0255,008 CONTENT-RECEIVING DEVICE May 21, 14 Sep 11, 14 [G11B]
2014/0240,808 BEAM SCANNING TYPE DISPLAY APPARATUS Dec 13, 13 Aug 28, 14 [G02B]
2014/0234,704 LITHIUM SECONDARY BATTERY Sep 28, 12 Aug 21, 14 [H01M]
2014/0227,562 LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD Sep 03, 12 Aug 14, 14 [H01M, H02J]
2014/0227,589 POLYMER AND SECONDARY BATTERY USING SAME Nov 28, 12 Aug 14, 14 [H01M]
2014/0218,623 LIGHT SOURCE DEVICE Sep 26, 12 Aug 07, 14 [H04N, F21V]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,837,594 Moving picture encoding method and decoding method considering motion vectors of blocks adjacent to target block Jul 18, 12 Sep 16, 14 [H04N]
8,827,458 Projection type image display apparatus including cluster of excitatory light sources Apr 15, 11 Sep 09, 14 [H04N, G03B]
8,827,459 Optical unit Aug 29, 13 Sep 09, 14 [G03B]
8,827,492 Back light unit and display apparatus using the same Nov 17, 11 Sep 09, 14 [H04N, G09F]
8,822,049 Battery unit and electrical device Feb 23, 11 Sep 02, 14 [H01M]
8,822,082 Separator for electrochemical device, electrode for electrochemical device, and electrochemical device Mar 14, 08 Sep 02, 14 [H01G, H01M]
8,826,360 Broadcasting method and broadcast signal receiving apparatus Jul 17, 07 Sep 02, 14 [H04N]
8,817,174 Information recording apparatus and power-saving method therefor Apr 20, 10 Aug 26, 14 [H04N]
8,807,761 Lamp unit and projector employing same Apr 21, 11 Aug 19, 14 [G03B]
8,807,819 Illumination unit and display apparatus using the same Aug 06, 12 Aug 19, 14 [F21V]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2012/0220,048 MAGNETIC MARKER PARTICLE AND METHOD FOR PRODUCING THE SAME Jun 02, 11 Aug 30, 12 [H01F, G01N, B82Y]
2012/0094,184 SEPARATOR FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING SAME Jun 10, 10 Apr 19, 12 [C08K, H01M, C08L]
2012/0061,608 FUNCTIONAL PARTICLE WITH ROUGH-SURFACED POLYMER COATING Sep 08, 11 Mar 15, 12 [H01F]
2011/0273,658 POLARIZATION SPLIT ELEMENT AND METHOD FOR MANUFACTURING THE SAME Mar 05, 10 Nov 10, 11 [G02F]
2011/0216,255 POLARIZATION DIFFRACTION GRATING, METHOD FOR MANUFACTURING THE SAME, AND OPTICAL PICKUP APPARATUS USING THE POLARIZATION DIFFRACTION GRATING Feb 28, 11 Sep 08, 11 [G02B, G02F]
2011/0211,438 COLLIMATING LENS UNIT AND OPTICAL PICKUP DEVICE USING THE SAME Feb 09, 11 Sep 01, 11 [G11B]
2011/0157,521 LIQUID CRYSTAL DISPLAY Jul 22, 09 Jun 30, 11 [G02F]
2011/0089,118 SURFACE-ROUGHENED HIGH-DENSITY FUNCTIONAL PARTICLE, METHOD FOR PRODUCING THE SAME AND METHOD FOR TREATING TARGET SUBSTANCE WITH THE SAME Apr 24, 09 Apr 21, 11 [B32B, B01D]
2011/0085,432 GRATING ELEMENT, OPTICAL PICKUP OPTICAL SYSTEM AND METHOD OF DESIGNING GRATING ELEMENT Oct 29, 09 Apr 14, 11 [G02B, G11B, B32B]
2011/0020,550 PROCESS FOR PRODUCING COMPOSITE MATERIAL COMPRISING RESIN MOLDED PRODUCT Mar 12, 09 Jan 27, 11 [C23C]
2010/0320,635 METHOD FOR PRODUCING POLYMER MEMBER HAVING PLATED FILM Jun 16, 10 Dec 23, 10 [B05D, B29C]
2010/0227,201 MAGNETIC RECORDING MEDIUM Mar 02, 10 Sep 09, 10 [G11B]
7,768,885 Method for evaluating optical recording medium, optical recording medium, and information-recording/reproducing apparatus Mar 27, 06 Aug 03, 10 [G11B]
7,748,638 Non-contact IC module Jan 11, 08 Jul 06, 10 [G06K]
7,736,558 Imprint manufacture method Jan 07, 04 Jun 15, 10 [B29C, B29B]
2010/0141,734 Imaging apparatus and optical axis correction method of imaging apparatus Oct 27, 09 Jun 10, 10 [H04N]
7,732,505 Energy ray-curable ink composition Oct 06, 05 Jun 08, 10 [C08J, B41M, C08F, C09D]
7,728,902 Imaging device and biometrics authentication apparatus Aug 02, 07 Jun 01, 10 [H04N]
2010/0123,854 OPTICAL SHEET, ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE Nov 18, 09 May 20, 10 [F21V, G02F]
2010/0090,230 CRYSTAL SILICON ELEMENT AND METHOD FOR FABRICATING SAME Aug 01, 06 Apr 15, 10 [H01L]

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