NITTOH INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 7198
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 493
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0363,944 PROJECTION OPTICAL SYSTEM AND PROJECTOR APPARATUSSep 05, 17Dec 21, 17[G02B, G03B]
2015/0268,453 LENS SYSTEM AND IMAGING APPARATUSMar 19, 14Sep 24, 15[H04N, G02B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9910251 Lens system and imaging apparatus having a lens at each side of an intermediate image which move in synchronization during focusingMar 19, 14Mar 06, 18[H04N, G02B]
9798068 Illumination moduleAug 20, 15Oct 24, 17[F21V]
9785043 Projection optical system and projector apparatusDec 26, 13Oct 10, 17[G02B, G03B]
7715110 Zoom lens systemOct 07, 08May 11, 10[G02B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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