NITTOH KOGAKU K.K.

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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 29176
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 8234
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 7103
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 5193
 
  
 
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 394
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
2603 PUBLIC LIGHTING FIXTURES236
 
  
 
A45D HAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT 135
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0199,361 ZOOM LENS SYSTEM AND IMAGING APPARATUSNov 16, 16Jul 13, 17[G02B]
2016/0021,351 OPTICAL SYSTEM AND DEVICE HAVING OPTICAL SYSTEMMar 14, 14Jan 21, 16[H04N, G02B, G03B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9529181 Zoom lens system and imaging apparatusOct 10, 13Dec 27, 16[G02B]
9372388 Projection optical assembly with multiple refractive optical systems and related projector deviceJul 05, 12Jun 21, 16[G02B, G03B]
D748842 Lighting fixtureNov 26, 14Feb 02, 16[2603]
D748316 Lighting fixtureNov 26, 14Jan 26, 16[2603]
8981402 White LED lighting device, and optical lensJan 04, 11Mar 17, 15[F21V, H01L, F21Y, G02B]
8947787 Lens barrelOct 28, 13Feb 03, 15[G02B]
8740418 Optical element and light emitting deviceSep 16, 09Jun 03, 14[F21V]
8727591 Light emitting device and optical elementFeb 16, 10May 20, 14[F21V]
8705179 Zoom lens systemFeb 17, 12Apr 22, 14[G02B]
8693109 Projector lens system and projector apparatusOct 09, 12Apr 08, 14[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0013,940 IMAGE PROCESSING APPARATUSAbandonedJun 14, 06Jan 21, 10[G06K]
7448760 Optical system and rear projectorExpiredDec 09, 05Nov 11, 08[G03B]
2008/0012,964 IMAGE PROCESSING APPARATUS, IMAGE RESTORATION METHOD AND PROGRAMAbandonedDec 05, 06Jan 17, 08[H04N]
7184219 Projection lens system and projectorExpiredFeb 06, 06Feb 27, 07[G02B]
6985304 Lens system and cameraExpiredJul 29, 04Jan 10, 06[G02B]
6972903 Visual aidExpiredApr 12, 02Dec 06, 05[G02B, G02C]
6870689 Projection zoom lens system and projectorExpiredAug 19, 03Mar 22, 05[G02B]
2004/0085,655 Optical systemAbandonedSep 26, 03May 06, 04[G02B]
6587279 Projection zoom lens system and projectorExpiredApr 26, 01Jul 01, 03[G02B]
6147812 Projection zoom lens system and projector apparatusExpiredJul 28, 99Nov 14, 00[G02C]
6137638 Projection zoom lens system and projector apparatusExpiredJul 28, 99Oct 24, 00[G02B]
6075653 Projecting zoom lens system and projector apparatusExpiredMay 29, 98Jun 13, 00[G02B]

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