HITACHI MAXELL, LTD.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 457 36
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 244 27
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 240 39
 
 
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 194 20
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 143 240
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 64 57
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 59 109
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 54 117
 
 
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 52 65
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 45 87
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0313,491 PROJECTION TYPE IMAGE DISPLAY APPARATUS WITH LIGHT MASKING Apr 22, 14 Oct 23, 14 [G03B]
2014/0313,492 PROJECTION IMAGE DISPLAY APPARATUS Nov 11, 11 Oct 23, 14 [G03B]
2014/0314,145 METHOD OF ENCODING PICTURE AND PICTURE ENCODING DEVICE Jan 11, 13 Oct 23, 14 [H04N]
2014/0307,000 DISPLAY DEVICE May 21, 14 Oct 16, 14 [G09G]
2014/0300,590 METHOD FOR DRIVING PLASMA DISPLAY PANEL Jun 19, 14 Oct 09, 14 [G09G]
2014/0300,887 OPTICAL DISTANCE MEASURING APPARATUS Apr 02, 14 Oct 09, 14 [G01S]
2014/0304,758 VIDEO SIGNAL TRANSMISSION/RECEPTION METHOD, DISPLAY DEVICE, AND DECODING DEVICE Oct 26, 11 Oct 09, 14 [H04N]
2014/0293,068 IMAGE DISPLAY APPARATUS, MONITOR APPARATUS AND IMAGE PROCESSING APPARATUS Jun 10, 14 Oct 02, 14 [H04N]
2014/0293,195 OPTICAL ELEMENT AND OPTICAL APPARATUS Feb 26, 14 Oct 02, 14 [G02B, G02F]
2014/0293,238 PROJECTION IMAGE DISPLAY APPARATUS Nov 07, 11 Oct 02, 14 [G03B]
2014/0298,451 Projection Type Image Display Device Apr 30, 14 Oct 02, 14 [G06F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,867,626 Image encoding apparatus, image encoding method, image decoding apparatus, and image decoding method Oct 10, 08 Oct 21, 14 [H04N]
8,859,147 Non-aqueous secondary battery Jun 11, 13 Oct 14, 14 [C01B, H01M]
8,852,818 Non-aqueous secondary battery Jun 06, 11 Oct 07, 14 [H01M]
8,856,819 Receiver set, information apparatus and receiving system Mar 23, 12 Oct 07, 14 [H04N]
8,846,779 Energy ray-curable ink composition May 15, 09 Sep 30, 14 [C08J, C08F, C09D]
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]

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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]
7,801,010 Coupling lens and optical pickup device Nov 21, 07 Sep 21, 10 [G11B]
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]

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