Itoh Optical Industrial Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
D06P DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM 118
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 155
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9482402 Automotive lampJun 06, 12Nov 01, 16[F21S]
8131518 Method for forming functional spectral filterFeb 14, 07Mar 06, 12[G06F, G02B]
6773465 Optical elementDec 11, 01Aug 10, 04[D06P]
5322888 Coating composition for optical plastic moldingsJun 22, 92Jun 21, 94[C08L, C08K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0024,212 HARD COATING COMPOSITIONAbandonedJul 22, 13Jan 22, 15[C08K]
5278268 Organic glass for optical partsExpiredAug 14, 92Jan 11, 94[C08L]
5049414 Antireflection solution for optical parts and method for antireflection treatment using said solutionExpiredJun 21, 89Sep 17, 91[B05D]
4944962 Method for dirtproofing treatment for plastic lensExpiredMay 17, 89Jul 31, 90[B05D]
4598133 Organic glass for optical partsExpiredAug 29, 84Jul 01, 86[C08F]
4294950 Coating composition comprising hydrolyzates from silane compoundsExpiredJan 30, 80Oct 13, 81[C08G]

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