HITACHI MAXELL, LTD.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 464 37
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 246 27
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 240 40
 
 
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 195 19
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 147 251
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 64 56
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 59 113
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 55 124
 
 
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 46 84
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0347,494 IMAGING LENS AND IMAGING DEVICE Feb 22, 13 Nov 27, 14 [H04N, G02B]
2014/0344,696 CONTENT DISPLAY DEVICE Feb 24, 12 Nov 20, 14 [G06F]
2014/0333,590 DIGITAL PEN Feb 01, 12 Nov 13, 14 [G06T, G06F]
2014/0333,904 PROJECTOR DEVICE Nov 21, 11 Nov 13, 14 [G03B]
2014/0335,379 BATTTERY UNIT Jan 11, 12 Nov 13, 14 [H01M]
2014/0327,833 SINK DEVICE AND POWER SUPPLY METHOD Dec 16, 11 Nov 06, 14 [H04N]
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]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,908,095 Display apparatus Apr 23, 13 Dec 09, 14 [H04N, G09G]
8,902,162 Image display apparatus Dec 27, 11 Dec 02, 14 [G09G, G09F, G06F]
8,902,991 Decoding apparatus for encoded video signals Mar 07, 06 Dec 02, 14 [H04N]
8,903,105 Sound processing unit, sound processing system, audio output unit and display device Dec 31, 10 Dec 02, 14 [H04R, H04B]
D718802 Projector Apr 09, 13 Dec 02, 14 [1602]
8,895,089 Sealed battery Dec 21, 11 Nov 25, 14 [H01M]
8,896,638 Liquid crystal display device and backlight control method Apr 15, 11 Nov 25, 14 [G09G]
8,891,026 Projection video display device Oct 13, 11 Nov 18, 14 [H04N]
8,892,688 Portable terminal, information processing apparatus, content display system and content display method Sep 17, 13 Nov 18, 14 [H04H, H04N, H04M, G06F]
8,876,917 Lithium-ion secondary battery Feb 28, 11 Nov 04, 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]
7,829,061 Zirconium oxide hydrate particles and method for producing the same Jul 02, 08 Nov 09, 10 [C01G]
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]

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