YASUHIRO KOIKE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1595
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
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 2131
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1119
 
  
 
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 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9128238 Optical material and molded product thereofApr 04, 11Sep 08, 15[C08F, G02B]
8967880 Optical collimator and optical connector using sameMay 09, 11Mar 03, 15[G02B]
8611714 Optical fiber and method for manufacturing sameJul 05, 10Dec 17, 13[G02B]
8600210 GI type optical fiber and method for manufacturing sameFeb 04, 10Dec 03, 13[G02B]
7058271 Plastic optical fiberMar 09, 05Jun 06, 06[G02B]
6568819 Guide plate, surface light source device of side light type and liquid crystal displayJul 16, 99May 27, 03[F21V]
6568820 Guide plate, surface light source device of side light type and liquid crystal displayDec 22, 99May 27, 03[F21V]
6478438 Side light type surface light source deviceOct 17, 00Nov 12, 02[F21V]
6412968 Surface light source device of side light type, liquid crystal display and light guide plateAug 03, 98Jul 02, 02[F21V]
6396634 Surface light source device of side light typeFeb 14, 97May 28, 02[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0219,219 Method of producing plastic optical memberAbandonedFeb 04, 03Nov 27, 03[G02B]
6406158 Surface light source device of side light typeExpiredAug 10, 98Jun 18, 02[F21V]
2002/0048,162 SURFACE LIGHT SOURCE DEVICE OF SIDE LIGHT TYPEAbandonedOct 02, 98Apr 25, 02[F21V]
2002/0005,991 SURFACE LIGHT SOURCE DEVICE OF SIDE LIGHT TYPEAbandonedDec 23, 96Jan 17, 02[G02B]
6074070 Surface light source device of side light typeExpiredJul 28, 97Jun 13, 00[F21V]
6049649 Surface light source device of side-light typeExpiredMar 25, 97Apr 11, 00[G02B]

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