MASAHIRO IRIE

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 3135
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G03C PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7101497 Photochromic material and color dose meter using the sameJun 14, 02Sep 05, 06[G02B]
5592461 Methods of recording and reproducing information using an optical recording mediumDec 15, 94Jan 07, 97[G11B]
5376511 Optical recording mediumDec 20, 93Dec 27, 94[G11B]
5316900 Optical recording medium having a constant birefringent property and an alterable photochromic propertyOct 15, 93May 31, 94[G03C, G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0248,411 Display Medium and Displaying MethodAbandonedMar 30, 05Oct 09, 08[B23K, G03C, B42D, B32B]
2007/0082,977 Ink composition for color-memorizing photochromic writing instrument and writing instrument using the sameAbandonedOct 07, 05Apr 12, 07[C09D]

Top Inventors for This Owner

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