Inventor
Yutaka Nakagawa
Inventor
Yokohama, JP
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing22%
G09GArrangements or circuits for control of indicating devices using static means to present variable information22%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
F21VFunctional features or details of lighting devices or systems thereof7%
G02BOptical elements, systems or apparatus7%
H04HBroadcast communication7%
H04NPictorial communication, e.g. television7%
G11BInformation storage based on relative movement between record carrier and transducer4%
E04HBuildings or like structures for particular purposes2%
PatentTitleYear
8,711,319'Liquid crystal display device'20147,747,799'Storage system'20107,650,462'Storage system and storage control apparatuses with compression and load balancing'20107,398,448'Storage system has the function of preventing drive write error'20087,398,417'Storage system for increased cache reliability VI reading redundant disks into cache'20087,383,361'Disk array system and interface converter'20087,380,090'Storage device and control method for the same'20087,278,000'Data migration with worm guarantee'20077,139,934'Storage system for increased cache reliability via reading redundant disks into cache'20067,080,167'Disk array system and interface converter'20066,738,092'Camera apparatus and method for associating digital picture files with thumbnail images'2004RE038305'LCD device including an illumination device having a polarized light separating sheet between a light guide and the display'2003RE037377'LCD device including an illumination device having a polarized light separating sheet between a light guide and the display'20016,025,822'Driving device, a column electrode driving semiconductor integrated circuit and a row electrode driving semiconductor integrated circuit used for a liquid crystal display device'20005,931,267'Disc brake'19995,689,280'Display apparatus and a driving method for a display apparatus'19975,682,177'Driving method of driving a liquid crystal display element'19975,670,902'Satellite broadcast receiving system and change-over divider for use in same'19975,644,329'Display apparatus and a data signal forming method for the display apparatus'19975,596,344'Driving method of driving a liquid crystal display element'19975,587,816'LCD device including an illumination device having a polarized light separating sheet between a light guide and the display'19965,565,805'Change-over divider for use in satellite broadcast receiving system'19965,548,302'Method of driving display element and its driving device'19965,489,919'Driving method of driving a liquid crystal display element'19965,301,352'Satellite broadcast receiving system and change-over divider for use in same'19945,262,881'Driving method of driving a liquid crystal display element'19935,117,484'Terminal apparatus for videotex system'19924,952,030'Liquid crystal display device with a 50.degree.-80.degree. twist angle'19904,800,376'Multiple display system'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2004Patents assigned to SONY CORP (6)· patent assignee history
1989–2014Based in Kanagawa, JP· patent location history
1990–2003Patents assigned to ASAHI GLASS CO LTD (11)· patent assignee history
1990–1997Based in Isehara, JP· patent location history
1993–2010Based in Yokohama, JP· patent location history
1996Patents assigned to ASASHI GLASS COMPANY LTD (1)· patent assignee history
1999Patents assigned to AKEBONO BRAKE IND (1)· patent assignee history
1999Based in Saitama, JP· patent location history
2003Based in Isehara-shi, JP· patent location history
2006–2010Patents assigned to HITACHI LTD (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI GLASS CO LTD | 11 | 1990–2003 |
| HITACHI LTD | 9 | 2006–2010 |
| SONY CORP | 6 | 1989–2004 |
| AKEBONO BRAKE IND | 1 | 1999 |
| ASASHI GLASS COMPANY LTD | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 1993–2010 |
| Kanagawa, JP | 7 | 1989–2014 |
| Isehara, JP | 4 | 1990–1997 |
| Isehara-shi, JP | 1 | 2003 |
| Saitama, JP | 1 | 1999 |