Utsunomiya
Japan
8
2012-06-28
The entities that hold a legal rights for patent applications filed by inventor Sudo Takashi:
Takashi Sudo from Utsunomiya, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Illumination optical system with light-compressing lens arrays having no optical power on one section and image projection apparatus having the same
#2 | 2011-06-23Illumination optical system having a light combining portion that combines light beams from a plurality of lamp units and projection display apparatus
#3 | 2011-02-24Illumination optical system and projection display apparatus
#4 | 2009-11-19Illumination optical system and image projector using same
#5 | 2007-12-20Optical system for image projection and image projection apparatus including a polarization beam splitting surface
#6 | 2007-12-20Illumination optical system including luminous flux conversion system
#7 | 2007-08-09Color separation optical system and image projection apparatus
#8 | 2007-04-19Illumination optical system and image projection apparatus
6164945 ⎘