YAMAMOTO CHEMICALS, INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 1132
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
C07D HETEROCYCLIC COMPOUNDS 3159
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 247
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 268
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 247
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0223,839 OPTICAL MATERIAL AND USE THEREOFSep 10, 14Aug 04, 16[G02B, C09B, G02C]
2016/0216,407 OPTICAL MATERIAL AND USE THEREOFSep 10, 14Jul 28, 16[G02B, G02C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9857503 Optical material and use thereofSep 10, 14Jan 02, 18[G02B, G02C, C08K]
9708244 Coloring material and method for producing the sameOct 18, 12Jul 18, 17[C07C, C09B, D06P]
9266905 Color material and method for producing the sameApr 18, 12Feb 23, 16[C07F, C07C, C09B, G03F]
8888906 Heat-sensitive color-developing composition and heat-sensitive recording material comprising the compositionSep 13, 11Nov 18, 14[B41M, C09D]
8294144 Organic transistorSep 12, 08Oct 23, 12[H01L]
8012608 Polymer containing sulfo group and organic electroluminescent element containing the polymerOct 12, 06Sep 06, 11[H01L]
6342335 Polymethine compounds, method of producing same, and use thereofJun 20, 00Jan 29, 02[G03F]
5973140 Phthalocyanine compound, its intermediate, process for producing the compound, and use thereofDec 28, 98Oct 26, 99[F21V, C07D, C09B]
5876820 Optical information recording medium and composition for optical information recording filmNov 09, 95Mar 02, 99[B32B]
5804102 Plasma display filterDec 17, 96Sep 08, 98[H01J, F21V, G02B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0233,415 OPTICAL RECORDING MEDIUM AND AZO METAL CHELATE COMPOUNDAbandonedJan 19, 07Sep 16, 10[C09B, B32B]
7709660 Polymethine ether compoundsExpiredJun 20, 08May 04, 10[C07D]
2009/0306,376 OPTICAL RECORDING MEDIUM AND COMPOUND USED FOR THE SAMEAbandonedJul 30, 09Dec 10, 09[C07D]
7485404 Nonsolvate-form crystal of polymethine compound and process for producing the sameExpiredNov 12, 04Feb 03, 09[G03F]
7446212 Polymethine ethersExpiredJun 16, 04Nov 04, 08[C07D]
2008/0091,033 Nonsolvate-Form Crystal of Polymethine Compound, Process for Producing the Same and Use ThereofAbandonedDec 09, 05Apr 17, 08[C07D]
7259260 Imide compound and optical recording media made by using the sameExpiredOct 22, 02Aug 21, 07[C07D]
2007/0054,084 Optical recording medium and compound used for the sameAbandonedOct 08, 04Mar 08, 07[B32B]
RE39105 Polymethine compounds, method of producing same, and use thereofExpiredJan 23, 04May 23, 06[G03F]
6969764 Optical recording medium and novel azaporphyrin compoundsExpiredDec 26, 00Nov 29, 05[C07D, C09B]
2005/0142,322 Optical recording media and dipyrrpomethene-metal chelate compoundsAbandonedSep 15, 04Jun 30, 05[B32B]
6716993 Polymethine compound and near-infrared absorbing material comprising sameExpiredJun 04, 03Apr 06, 04[C07D, G03F]
6627288 Optical recording medium and porphycene compoundExpiredAug 02, 01Sep 30, 03[B32B]
6479123 Dipyrromethene-metal chelate compound and optical recording medium using thereofExpiredFeb 27, 01Nov 12, 02[B32B]
6468713 Phthalocyanine compounds, process for producing the same, and near infrared absorbent comprising the sameExpiredOct 10, 00Oct 22, 02[C09K, B41N, C09D, C09B, G03F]
2002/0051,939 Polymethine compound, a process for its production, and use of the compoundAbandonedSep 11, 01May 02, 02[G03F]
6355327 Optical recording medium and dipyrromethene metal chelate compound for use thereinExpiredOct 06, 00Mar 12, 02[B32B]
6261737 Polymethine compounds, method of producing same, and use thereofExpiredNov 23, 99Jul 17, 01[G03C, G03F]
6217643 Color former composition and microcapsules containing the compositionExpiredFeb 07, 00Apr 17, 01[C09D]
6162520 Optical recording medium and dipyrromethene metal chelate compound for use thereinExpiredSep 08, 98Dec 19, 00[B32B]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.