CS

Choshoku Sai

Canon: 10 patents #6,241 of 19,416Top 35%
Overall (All Time): #500,815 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10884236 Optical device, projection optical system, exposure apparatus using the same, and method for manufacturing article 2021-01-05
9568729 Optical apparatus, projection optical system, exposure apparatus, and method of manufacturing article Kohei Imoto 2017-02-14
9557560 Mirror unit and exposure apparatus 2017-01-31
9465294 Optical apparatus, projection optical system, exposure apparatus, and method of manufacturing article 2016-10-11
7771065 Optical unit and exposure apparatus having the same Shigeo Sakino, Katsumi Asada, Hirohito Ito, Shinji Uchida 2010-08-10
7453623 Reflecting mirror and exposure apparatus using the same Shinji Uchida, Katsumi Asada, Hirohito Ito, Shigeo Sakino 2008-11-18
7443619 Optical element holding apparatus, exposure apparatus and device manufacturing method Shigeo Sakino, Hirohito Ito, Shinji Uchida, Katsumi Asada 2008-10-28
7232257 Hydrostatic bearing and stage apparatus using same 2007-06-19
7207720 Static gas bearing system, stage mechanism, exposure apparatus, and device manufacturing method Kotaro Akutsu 2007-04-24
6658083 Weight compensation apparatus, stage apparatus using the same, and exposure apparatus 2003-12-02