MIYAKAWA CORPORATION

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 562
 
 
 
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 299
 
 
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 142
 
 
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 046

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,485,354 Flat panel display lighting systemSep 09, 93Jan 16, 96[F21V]134
5,485,291 Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light sourceFeb 22, 94Jan 16, 96[G01D, F21V, G02F]125
5,461,547 Flat panel display lighting systemJul 20, 93Oct 24, 95[F21V]114
5,420,761 Flat, thin, uniform thickness large area light sourceMay 13, 94May 30, 95[F21V]41
7,542,107 Method of letting a sufficient quantity of light pass through each of apertures for entry of backlightOct 20, 05Jun 02, 09[G02F]1

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2007/0013,830 Method of letting a sufficient quantity of light pass through each of apertures for entry of backlightOct 20, 05Jan 18, 07[G02F]
2005/0190,575 Optical element with light extracting dots and display device using sameMay 04, 04Sep 01, 05[F21V]
2005/0185,421 Light emitting panel assembliesApr 26, 04Aug 25, 05[B60Q]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7,542,107 Method of letting a sufficient quantity of light pass through each of apertures for entry of backlightOct 20, 05Jun 02, 09[G02F]
7,108,415 Optical element with light extracting dots and display device using sameMay 04, 04Sep 19, 06[F21V]
5,485,291 Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light sourceFeb 22, 94Jan 16, 96[G01D, F21V, G02F]
5,485,354 Flat panel display lighting systemSep 09, 93Jan 16, 96[F21V]
5,461,547 Flat panel display lighting systemJul 20, 93Oct 24, 95[F21V]
5,420,761 Flat, thin, uniform thickness large area light sourceMay 13, 94May 30, 95[F21V]

Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
DuNah Richard E
Sonoma County, CA
6
Redmond William F
Sonoma County, CA
5
Ciupke Werner W
San Mateo County, CA
4
Hayakawa Takashi
Tokyo, JP
4
Qiao Yong
Sonoma County, CA
2
Redmond William Franklin
Santa Rosa, CA
2
Dunah Richard Edward
Sebastopol, CA
1
Gors Neal Jones
Petaluma, CA
1
Hayakawa Takashi
Not Provided
1