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 535 38
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 221 32
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 208 32
 
 
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 207 18
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 179 262
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 75 117
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 60 132
 
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 57 81
 
 
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 53 80
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 51 220
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0199,308 FREE-FORM SURFACE LENS, METHOD OF DESIGNING FREE-FORM SURFACE LENS, FREE-FORM SURFACE MIRROR, METHOD OF DESIGNING FREE-FORM SURFACE MIRROR, AND PROJECTION TYPE VIDEO DISPLAY APPARATUS May 29, 14 Jul 13, 17 [G03B, G02B]
2017/0171,498 IMAGE PICKUP APPARATUS AND IMAGE PICKUP SYSTEM May 09, 14 Jun 15, 17 [H04N]
2017/0171,507 VIDEO TRANSMITTING/RECEIVING DEVICE AND VIDEO DISPLAY DEVICE Jul 16, 14 Jun 15, 17 [H04N]
2017/0155,167 LITHIUM ION SECONDARY BATTERY AND A METHOD FOR PRODUCING THE SAME Nov 21, 16 Jun 01, 17 [H01M]
2017/0155,880 PROJECTION-TYPE IMAGE DISPLAY DEVICE Jul 04, 14 Jun 01, 17 [G03B, H04N, G06T, G09G]
2017/0144,591 HEADLIGHT DEVICE AND VEHICLE DEVICE USING SAME Jun 18, 14 May 25, 17 [H04N, G03B, B60Q, G09G]
2017/0146,896 SOLID-STATE LIGHT SOURCE DEVICE Apr 04, 14 May 25, 17 [G03B, G02B, F21V]
2017/0150,071 IMAGING SENSOR AND IMAGING DEVICE Jun 24, 15 May 25, 17 [H04N, G02B, H01L]
2017/0140,689 SCANNING DISPLAY DEVICE May 16, 14 May 18, 17 [H04N, G02B, G09G]
2017/0134,691 IMAGE PLAYBACK DEVICE, DISPLAY DEVICE, AND TRANSMISSION DEVICE May 09, 14 May 11, 17 [H04N, G11B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9704389 Terminal device and remote control method Jun 07, 13 Jul 11, 17 [G08C]
9706202 Image encoding apparatus, image encoding method, image decoding apparatus, and image decoding method Aug 24, 16 Jul 11, 17 [H04N]
9696425 Optical distance measuring apparatus Apr 02, 14 Jul 04, 17 [G01S, G01C]
9699458 Image encoding apparatus, image encoding method, image decoding apparatus, and image decoding method Aug 24, 16 Jul 04, 17 [H04N]
9699459 Image encoding apparatus, image encoding method, image decoding apparatus, and image decoding method Aug 24, 16 Jul 04, 17 [H04N]
D790621 Lamp for projector Feb 25, 16 Jun 27, 17 [1602]
9686578 Video processing system for demultiplexing received compressed and non-compressed video signals and transmitting demultiplexed signals Jun 16, 16 Jun 20, 17 [H04N]
9678256 Transparent heat-shielding member Mar 25, 16 Jun 13, 17 [G03B, G02B, F21V]
9678415 Projector device Nov 21, 11 Jun 13, 17 [G03B]
D789437 Projector Feb 12, 16 Jun 13, 17 [1602]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0165,537 PORTABLE TERMINAL DEVICE ABAN Jul 31, 13 Jun 09, 16 [H04W, H04B]
2016/0034,048 VIDEO DISPLAY SYSTEM, THREE-DIMENSIONAL VIDEO POINTING DEVICE AND VIDEO DISPLAY DEVICE ABAN Jun 12, 15 Feb 04, 16 [G06F]
2015/0310,756 SYSTEM FOR SUPPORTING EDUCATION AND INFORMATION TERMINAL ABAN Sep 12, 12 Oct 29, 15 [H04L, G09B]
2015/0301,635 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM ABAN Jan 15, 13 Oct 22, 15 [G06F]
2015/0281,631 PROJECTION-TYPE VIDEO DISPLAY APPARATUS ABAN Nov 07, 12 Oct 01, 15 [H04N, G06T, G09G]
2015/0281,670 Reproducing Apparatus And Reproducing Method ABAN Mar 09, 15 Oct 01, 15 [H04N]
2015/0263,316 SEALED BATTERY ABAN Mar 06, 15 Sep 17, 15 [H01M]
2015/0172,743 REMOTE OPERATION SYSTEM AND TERMINAL DEVICE ABAN Mar 13, 13 Jun 18, 15 [H04N, H04M, G08C]
2015/0140,417 SEALED BATTERY ABAN Nov 18, 14 May 21, 15 [H01M]
2015/0056,474 MAGNETIC TAPE, ITS CLEANING METHOD, AND OPTICAL SERVOTRACK FORMING/CLEANING APPARATUS ABAN Oct 31, 14 Feb 26, 15 [G11B]
2015/0003,809 CONTENT RECEIVING DEVICE, CONTENT RECEIVING METHOD AND DIGITAL BROADCAST TRANSMITTING AND RECEIVING SYSTEM ABAN Feb 01, 12 Jan 01, 15 [H04N, G11B, G06K]
8925097 Content transmission device and content reception device Withdrawn Feb 16, 09 Dec 30, 14 [H04N, H04L, G06F]
2014/0333,590 DIGITAL PEN ABAN Feb 01, 12 Nov 13, 14 [G06T, G06F]
2014/0325,583 VIDEO TRANSMITTER APPARATUS AND VIDEO RECEIVER APPARATUS, AND VIDEO TRANSMITTING METHOD AND VIDEO RECEIVING METHOD ABAN Nov 25, 11 Oct 30, 14 [H04N]
2014/0300,590 METHOD FOR DRIVING PLASMA DISPLAY PANEL ABAN Jun 19, 14 Oct 09, 14 [G09G]
2014/0227,562 LITHIUM SECONDARY-BATTERY PACK, ELECTRONIC DEVICE USING SAME, CHARGING SYSTEM, AND CHARGING METHOD ABAN Sep 03, 12 Aug 14, 14 [H01M, H02J]
2014/0227,589 POLYMER AND SECONDARY BATTERY USING SAME ABAN Nov 28, 12 Aug 14, 14 [H01M]
2014/0191,731 METHOD FOR CHARGING LITHIUM ION SECONDARY BATTERY ABAN Sep 04, 12 Jul 10, 14 [H02J]
2014/0177,735 IMAGE RECEIVING DEVICE AND IMAGE RECEIVING METHOD ABAN Apr 25, 12 Jun 26, 14 [H04N]
2014/0150,011 CONTENT TRANSMISSION DEVICE AND CONTENT TRANSMISSION METHOD ABAN May 28, 12 May 29, 14 [H04N, H04L]

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