YS

Yohei Sakai

SE Seiko Epson: 10 patents #1,850 of 7,774Top 25%
NO Nok: 2 patents #242 of 725Top 35%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
Overall (All Time): #339,296 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12041330 Optical module for endoscope and endoscope Yusuke Nakagawa 2024-07-16
11644737 Projector device Kenji Sakamoto 2023-05-09
10408349 Seal ring Maiko Miyazaki, Kenichi Yoshimura, Shota Toma 2019-09-10
10262244 Image evaluation method Norio Yamaguchi, Takashi Togami, Kyosuke Yamamoto, Yasutaka Kosugi 2019-04-16
10190689 Seal ring Yusuke Yoshida, Fangman Xu, Nozomu Suzuki, Norimasa HOSONUMA, Shigenobu Honda +2 more 2019-01-29
9575398 Projector 2017-02-21
9213224 Projector having cooling device that supplies cooling air in two supply directions Norikazu Kadotani 2015-12-15
8870391 Projector Norikazu Kadotani 2014-10-28
8696139 Projector having a plurality of cooling fans Norikazu Kadotani 2014-04-15
8142027 Electronic device and method for controlling the same 2012-03-27
7922335 Projector Akira Hashimoto, Fumihide Sasaki 2011-04-12
7922331 Polarization conversion unit, polarization conversion device, and projector 2011-04-12
D607126 Lamp for projector Akira Hashimoto 2009-12-29
7535711 Wind velocity measuring device and electronic apparatus Takashi Saegusa, Tsuyoshi Arai, Hideki Takasuka, Masaki Uchida 2009-05-19