AT

Akinari Takagi

Canon: 47 patents #820 of 19,416Top 5%
TO Topcon: 8 patents #103 of 684Top 20%
ML Mixed Reality Systems Laboratory: 4 patents #5 of 14Top 40%
Overall (All Time): #40,070 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
7592632 Light emitting device and display device using the same 2009-09-22
7502541 Resonator, light emitting device, and wavelength conversion device Hikaru Hoshi, Kiyokatsu Ikemoto 2009-03-10
7463814 Method for fabricating three-dimensional photonic crystal Hikaru Hoshi, Kiyokatsu Ikemoto, Kazuya Nobayashi 2008-12-09
7462873 Stacked three dimensional photonic crystal, light emitting device, and image display apparatus Hikaru Hoshi 2008-12-09
7446943 Display optical system, image display apparatus, image taking optical system, and image taking apparatus Shoichi Yamazaki, Hideki Morishima, Kazutaka Inoguchi, Motomi Matsunaga 2008-11-04
7414791 Eye detection apparatus and image display apparatus Takashi Urakawa, Yoshihiroi Saito 2008-08-19
7313307 Waveguide and device including the same Kiyokatsu Ikemoto, Hikaru Hoshi, Kazuya Nobayashi, Aihiko Numata 2007-12-25
7308181 Method for manufacturing three-dimensional photonic crystal Kazuya Nobayashi, Hikaru Hoshi, Kiyokatsu Ikemoto 2007-12-11
7302147 Three-dimensional photonic crystal and functional device including the same Kazuya Nobayashi, Hikaru Hoshi, Kiyokatsu Ikemoto 2007-11-27
7274849 Three-dimensional photonic crystal and functional device including the same Kazuya Nobayashi, Hikaru Hoshi, Kiyokatsu Ikemoto 2007-09-25
7209622 Resonator and light emitting device using the same Hikaru Hoshi, Kiyokatsu Ikemoto, Kazuya Nobayashi 2007-04-24
7193585 Image observation system 2007-03-20
7184642 Three-dimensional photonic crystal and optical element Hikaru Hoshi, Kiyokatsu Ikemoto, Kazuya Nobayashi 2007-02-27
7151629 Three-dimensional photonic crystal and optical device including the same Hikaru Hoshi, Kiyokatsu Ikemoto, Kazuya Nobayashi 2006-12-19
7085467 Three-dimensional periodic structure, functional element including the same, and light-emitting device Kiyokatsu Ikemoto, Hikaru Hoshi 2006-08-01
7039287 Display element, image observation system having display element, and image projection system Hikaru Hoshi 2006-05-02
7019909 Optical system, image display apparatus, and image taking apparatus Shoichi Yamazaki, Hideki Morishima, Kazutaka Inoguchi, Motomi Matsunaga 2006-03-28
7012756 Display optical system, image display apparatus, image taking optical system, and image taking apparatus Shoichi Yamazaki, Hideki Morishima, Kazutaka Inoguchi, Motomi Matsunaga 2006-03-14
7001019 Image observation apparatus and system Tsutomu Osaka 2006-02-21
6993235 Three-dimensional periodic structure and functional element including the same Kiyokatsu Ikemoto, Hikaru Hoshi 2006-01-31
6980363 Image observation apparatus and system Shoichi Yamazaki 2005-12-27
6493146 Image display apparatus Kazutaka Inoguchi 2002-12-10
6480337 Image display apparatus Kazutaka Inoguchi, Shoichi Yamazaki, Hideki Morishima 2002-11-12
6271895 Image observing apparatus for observing outside information superposed with a display image Yoshihiro Saito, Naosato Taniguchi, Toshiyuki Sudo 2001-08-07
6239915 Composite display apparatus Shoichi Yamazaki 2001-05-29