YI

Yoshitaka Itoh

SE Seiko Epson: 60 patents #129 of 7,774Top 2%
Aisin Seiki Kabushiki Kaisha: 5 patents #693 of 3,782Top 20%
AC Asahi Seiko Co.: 1 patents #29 of 56Top 55%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Overall (All Time): #31,036 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDate
11747720 Light source module and projector Hiroyasu Kaseya 2023-09-05
11619870 Projector 2023-04-04
11042079 Projector 2021-06-22
11009785 Projector 2021-05-18
10908487 Light emitting device and projector 2021-02-02
10877362 Wavelength conversion element, light source device, and projector 2020-12-29
10261403 Wavelength conversion element, light source apparatus, and projector 2019-04-16
9357189 Projector 2016-05-31
8964228 Printing system, printing method, information processing apparatus, and non-transitory computer readable medium Hitoshi Furukawa, Shintaro MURAKAMI 2015-02-24
8926100 Illumination device having improved illumination light symmetricalness and projector having the illumination device Hiroyasu Kaseya, Fumika Sumiyama, Junichi OKAMOTO 2015-01-06
8616707 Projector with cooling mechanism Yasunaga Miyazawa, Toshihiko Sakai, Katsuhiro Matsuyama, Yasuteru Miyaoka 2013-12-31
8567956 Projector 2013-10-29
8529066 Projector that switches between polarization states 2013-09-10
8496334 Illumination apparatus, projector, and illumination method 2013-07-30
8496335 Illumination apparatus, projector, and illumination method 2013-07-30
8414134 Illumination apparatus and projector 2013-04-09
8308307 Illuminator and projector 2012-11-13
7580603 Illumination device, display device, and projection type display device 2009-08-25
7445345 Optical display device and projection-type display device Shohei Yoshida, Shoichi Uchiyama, Junichi Nakamura, Takashi Nitta, Tsunemori Asahi 2008-11-04
7364305 Projector 2008-04-29
RE39951 Polarization conversion element, polarization illuminator, display using the same illuminator, and projector Toshiaki Hashizume 2007-12-25
7234822 Light propagation structure and optical display device of optical system, light propagation method of optical system, and display method of optical display device Shoichi Uchiyama, Junichi Nakamura, Takashi Nitta, Tsunemori Asahi 2007-06-26
7126736 Illumination device, display device and projector Hideki Kojima 2006-10-24
7119957 Polarization luminaire and projection display Kunio Yoneno 2006-10-10
7026901 Superconducting magnet apparatus and method for magnetizing superconductor Yousuke Yanagi, Tetsuo Oka, Masaaki Yoshikawa 2006-04-11