YAMAMOTO KOGAKU CO., LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1606 OPTICAL ARTICLES2114
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 20120
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 1534
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM5152
 
  
 
A42B HATS; HEAD COVERINGS 123
 
  
 
A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS 135
 
  
 
B41C PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES 116
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 142

Top Patents (by citation)

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

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9507176 Polarization optical article in which uneven coloring by polarization color has been improvedMar 30, 12Nov 29, 16[G02B, G02C, G02F]
9301578 Belt length adjusterMar 31, 11Apr 05, 16[F16B, A44B]
D745081 Swimming gogglesSep 29, 14Dec 08, 15[1606]
D745082 Swimming gogglesMar 24, 14Dec 08, 15[1606]
9146336 Synthetic resin lensSep 25, 12Sep 29, 15[G02B, G02C]
9015868 Fog-resistant structure and protective device for eyesNov 24, 10Apr 28, 15[A61F, G02C]
8959669 GogglesMar 15, 10Feb 24, 15[A61F, A61G]
8870373 Single-lens type polarizing glassesFeb 17, 11Oct 28, 14[G02B, G02C]
8650667 Swimming gogglesOct 15, 10Feb 18, 14[A61F]
8496328 Process for producing optical articleSep 16, 10Jul 30, 13[G02C]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0160,989 EYEWEAR MOUNTING DEVICEAbandonedNov 22, 11Jun 28, 12[G02C]
2011/0205,627 CIRCULARLY POLARIZING PLATE AND CIRCULARLY POLARIZING LENS, AND CIRCULARLY POLARIZING GLASSESAbandonedFeb 17, 11Aug 25, 11[B29D, G02B]
2011/0043,902 OPTICAL ARTICLEAbandonedAug 13, 10Feb 24, 11[G02B, B32B]
2009/0305,049 POLARIZING LAMINATE AND PROCESS FOR PRODUCING THE SAMEAbandonedJun 03, 09Dec 10, 09[B29C, B32B]
2009/0100,577 DOUBLE LENSAbandonedOct 02, 08Apr 23, 09[A61F]
2008/0134,417 GogglesAbandonedMay 12, 05Jun 12, 08[A61F]
7290294 Protective gogglesExpiredSep 12, 03Nov 06, 07[A61F]
2007/0076,166 Optical articleAbandonedSep 27, 06Apr 05, 07[G02C]
7170058 Device for assisting a person in rescue operations under hazardous situationsExpiredFeb 11, 04Jan 30, 07[H01L]
2006/0213,525 Earplug and headgear with the earplugAbandonedJan 20, 06Sep 28, 06[A61F]
6854464 Respiration protecting apparatusExpiredDec 02, 02Feb 15, 05[A62B]
6845521 Length adjusting mechanism of gogglesExpiredJun 25, 02Jan 25, 05[A61F]
6814902 Method for continuously manufacturing optical articleExpiredSep 24, 01Nov 09, 04[B29D]
6705725 Injection compression molding method for optically molded productsExpiredMay 20, 03Mar 16, 04[G02C]
6659608 Polarizing optical articleExpiredDec 19, 01Dec 09, 03[G02C]
6616868 Injection compression molding method for optically formed productExpiredOct 19, 00Sep 09, 03[B29D]
6613433 Polarizing optical composite and polarizing lensExpiredSep 05, 01Sep 02, 03[B32B]
6102542 Eyeglass assemblyExpiredFeb 23, 99Aug 15, 00[G02C]
5906033 Length adjusting device for fastening straps of a maskExpiredJan 22, 98May 25, 99[F16G, A44B]
D377038 Swimming gogglesExpiredJan 30, 96Dec 31, 96[]

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!.