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 37
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 247 27
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 241 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 197 19
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 156 236
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 64 61
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 58 111
 
 
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 67
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 50 82
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
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]
2014/0347,494 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]
2014/0333,837 IMAGE PROCESSING APPARATUS Jul 25, 14 Nov 13, 14 [G06T]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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]
8,971,403 Image decoding device and method thereof using inter-coded predictive encoding code Nov 24, 14 Mar 03, 15 [H04N]
8,973,081 Content receiver and content information output method Mar 30, 12 Mar 03, 15 [H04N]
8,965,176 Video displaying system and reproducing apparatus Jun 13, 11 Feb 24, 15 [H04N]
8,957,880 Image display apparatus having back light with multiple light sources and configured to control luminance for each of a plurality of areas that exceed the number of light sources Jun 25, 09 Feb 17, 15 [F21V, G09G, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
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]
2012/0094,184 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]
2011/0089,118 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]
7,884,898 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]
7,826,165 Servo signal recording apparatus Expired May 20, 08 Nov 02, 10 [G11B]
7,801,010 Coupling lens and optical pickup device Expired Nov 21, 07 Sep 21, 10 [G11B]
2010/0227,201 MAGNETIC RECORDING MEDIUM ABAN Mar 02, 10 Sep 09, 10 [G11B]
7,768,885 Method for evaluating optical recording medium, optical recording medium, and information-recording/reproducing apparatus Expired Mar 27, 06 Aug 03, 10 [G11B]

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