HITACHI MAXELL, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 479 38
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 248 25
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 240 38
 
 
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 198 18
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 155 246
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 64 59
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 58 115
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 56 129
 
 
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 51 73
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 50 83
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0090,868 RESIN ENCODER SCALE, MOLD FOR RESIN ENCODER SCALE, METHOD FOR PRODUCING RESIN ENCODER SCALE, AND ENCODER Oct 23, 14 Apr 02, 15 [G01D, B29C]
2015/0084,844 CAPACITIVE-LOAD DRIVING CIRCUIT AND PLASMA DISPLAY APPARATUS USING THE SAME Dec 02, 14 Mar 26, 15 [G09G]
2015/0056,474 MAGNETIC TAPE, ITS CLEANING METHOD, AND OPTICAL SERVOTRACK FORMING/CLEANING APPARATUS Oct 31, 14 Feb 26, 15 [G11B]
2015/0049,166 WIDE-ANGLE LENS AND IMAGING DEVICE Feb 22, 13 Feb 19, 15 [G03B, H04N, G02B]
2015/0009,368 IMAGING DEVICE Sep 14, 12 Jan 08, 15 [H04N]
2015/0002,435 PROJECTOR, FIGURE INPUT/DISPLAY APPARATUS, PORTABLE TERMINAL, AND PROGRAM Feb 13, 12 Jan 01, 15 [G09G, G06F]
2015/0002,829 PROJECTION-TYPE IMAGE DISPLAY DEVICE Feb 09, 12 Jan 01, 15 [G03B]
2015/0003,809 CONTENT RECEIVING DEVICE, CONTENT RECEIVING METHOD AND DIGITAL BROADCAST TRANSMITTING AND RECEIVING SYSTEM Feb 01, 12 Jan 01, 15 [H04N, G11B, G06K]
2014/0354,959 LAMP UNIT AND PROJECTOR EMPLOYING SAME Aug 15, 14 Dec 04, 14 [G03B]
2014/0347,494 IMAGING LENS AND IMAGING DEVICE Feb 22, 13 Nov 27, 14 [H04N, G02B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,014,668 Mobile terminal device and data sending/receiving system Jan 17, 13 Apr 21, 15 [H04L, H04W]
9,005,824 Lithium secondary battery Jun 21, 13 Apr 14, 15 [H01M]
8,988,496 Image processing apparatus Oct 29, 10 Mar 24, 15 [H04N]
8,989,555 Information processor Apr 27, 09 Mar 24, 15 [H04N, G11B, G06K]
8,980,147 Kneading apparatus, method for producing thermoplastic resin molded product, and foam injection molding method Jun 25, 13 Mar 17, 15 [B29C, B29B]
8,981,765 Motor function analyzing apparatus Apr 27, 11 Mar 17, 15 [A61B, G01B]
8,982,086 Information processing apparatus Jan 14, 14 Mar 17, 15 [G09G, G06F]
8,984,556 Receiver apparatus and reproducing apparatus May 12, 10 Mar 17, 15 [H04N, G06F]
8,984,646 Content transmission device and content reception device Feb 16, 09 Mar 17, 15 [H04N, H04L, G06F]
8,976,296 Broadcasting and communication receiver apparatus Aug 29, 11 Mar 10, 15 [H04N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8,925,097 Content transmission device and content reception device Withdrawn Feb 16, 09 Dec 30, 14 [H04N, H04L, G06F]
2013/0162,206 CHARGING UNIT AND ELECTRICAL DEVICE PROVIDED WITH THE SAME ABAN Aug 31, 11 Jun 27, 13 [H02J]
2012/0220,048 MAGNETIC MARKER PARTICLE AND METHOD FOR PRODUCING THE SAME ABAN Jun 02, 11 Aug 30, 12 [H01F, G01N, B82Y]
2012/0113,218 RECEIVING APPARATUS AND RECEIVING METHOD ABAN Sep 22, 11 May 10, 12 [H04N]
2012/0094,184 SEPARATOR FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING SAME ABAN Jun 10, 10 Apr 19, 12 [C08K, H01M, C08L]
2012/0061,608 FUNCTIONAL PARTICLE WITH ROUGH-SURFACED POLYMER COATING ABAN Sep 08, 11 Mar 15, 12 [H01F]
2011/0273,658 POLARIZATION SPLIT ELEMENT AND METHOD FOR MANUFACTURING THE SAME ABAN 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 ABAN Feb 28, 11 Sep 08, 11 [G02B, G02F]
2011/0211,438 COLLIMATING LENS UNIT AND OPTICAL PICKUP DEVICE USING THE SAME ABAN Feb 09, 11 Sep 01, 11 [G11B]
2011/0157,521 LIQUID CRYSTAL DISPLAY ABAN Jul 22, 09 Jun 30, 11 [G02F]
2011/0122,759 Data Recording Apparatus and System Having Sustained High Transfer Rates ABAN Jan 27, 11 May 26, 11 [G11B]
2011/0089,118 SURFACE-ROUGHENED HIGH-DENSITY FUNCTIONAL PARTICLE, METHOD FOR PRODUCING THE SAME AND METHOD FOR TREATING TARGET SUBSTANCE WITH THE SAME ABAN Apr 24, 09 Apr 21, 11 [B32B, B01D]
2011/0085,432 GRATING ELEMENT, OPTICAL PICKUP OPTICAL SYSTEM AND METHOD OF DESIGNING GRATING ELEMENT ABAN Oct 29, 09 Apr 14, 11 [G02B, G11B, B32B]
7,891,601 Tape reel Expired Mar 04, 09 Feb 22, 11 [B65H]
7,884,898 Optical sheet for backlight, backlight, and display device Expired Nov 28, 06 Feb 08, 11 [G02F]
2011/0020,550 PROCESS FOR PRODUCING COMPOSITE MATERIAL COMPRISING RESIN MOLDED PRODUCT ABAN Mar 12, 09 Jan 27, 11 [C23C]
7,871,717 Optical film and method for producing the same Expired Oct 23, 06 Jan 18, 11 [B05D, B32B]
2010/0320,635 METHOD FOR PRODUCING POLYMER MEMBER HAVING PLATED FILM ABAN Jun 16, 10 Dec 23, 10 [B05D, B29C]
7,855,940 Pickup lens with phase compensator and optical pickup apparatus using the same Expired Jul 28, 09 Dec 21, 10 [G11B]
7,829,061 Zirconium oxide hydrate particles and method for producing the same Expired Jul 02, 08 Nov 09, 10 [C01G]

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