SK

Seiichi Katoh

Ricoh Company: 27 patents #743 of 9,818Top 8%
FI Fujifilm Business Innovation: 3 patents #2,355 of 5,238Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #119,713 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
8014058 Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus Takeshi Nanjyo, Koichi Ohtaka 2011-09-06
7965431 Optical deflecting device Takeshi Nanjyo 2011-06-21
7812084 Polyamic acid composition, production method thereof, polyimide resin, semiconductive member and image-forming apparatus Hiroshi Miyamoto, Shoichi Morita 2010-10-12
7777935 Actuator, and actuator array Takeshi Nanjyo, Koichi Ohtaka 2010-08-17
7697179 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2010-04-13
7607786 Light deflector, light deflection array, optical system, image forming device, and projection type image display apparatus Takeshi Nanjyo, Koichi Ohtaka 2009-10-27
7593676 Image-forming apparatus with improved intermediate transfer body 2009-09-22
7538923 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2009-05-26
7480090 Optical deflecting device, optical deflecting device array, method for driving the optical deflecting device and image projection display apparatus using the device Takeshi Nanjyo, Koichi Ohtaka 2009-01-20
7457019 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2008-11-25
7417778 Light deflector, light deflection array, image forming apparatus, and image projection display apparatus Takeshi Nanjo, Koichi Ohtaka 2008-08-26
7408688 Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus Takeshi Nanjyo, Koichi Ohtaka 2008-08-05
7391551 Method for driving light deflector, light deflector, light deflection array, image forming device, and image projection display apparatus Takeshi Nanjyo, Kouichi Ohtaka 2008-06-24
7349145 Optical deflection device and image projection display apparatus using the same Takeshi Nanjyo, Koichi Ohtaka 2008-03-25
7345823 Optical system, color information displaying method, optical deflecting device, and image projection displaying apparatus Takeshi Nanjo, Akihiro Yamakage, Masaaki Ishiyama, Koichi Ohtaka 2008-03-18
7342702 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2008-03-11
7333256 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2008-02-19
7277217 Optical deflecting device, optical deflecting device manufacturing method, and optical projecting device Takeshi Nanjyo, Koichi Ohtaka 2007-10-02
7215452 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2007-05-08
7166486 Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator Kouichi Ohtaka, Takeshi Nanjyo, Masanori Horike, Eiichi Ohta 2007-01-23
7167290 Optical deflection device Takeshi Nanjo, Koichi Ohtaka 2007-01-23
7113321 Optical deflection apparatus and manufacturing method thereof, optical deflection array, imaging apparatus, and image projection display apparatus Takeshi Nanjyo, Kouichi Ohtaka 2006-09-26
7099060 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2006-08-29
7075562 Optical scanning device Kouichi Ohtaka, Takeshi Nanjyo 2006-07-11
7064878 Light deflecting method and apparatus efficiently using a floating mirror Takeshi Nanjyo, Kouichi Ohtaka 2006-06-20