IT

Issey Tanaka

NI Nikon: 13 patents #314 of 2,493Top 15%
Overall (All Time): #386,341 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7911582 Exposure apparatus and device manufacturing method Shigeru Hirukawa, Nobutaka Magome 2011-03-22
7505111 Exposure apparatus and device manufacturing method Shigeru Hirukawa 2009-03-17
6844915 Optical system and exposure apparatus provided with the optical system Soichi Owa, Naomasa Shiraishi, Yasuhiro Omura 2005-01-18
6831731 Projection optical system and an exposure apparatus with the projection optical system Yasuhiro Omura, Naomasa Shiraishi, Soichi Owa, Toshihiko Ozawa, Shunsuke Niisaka 2004-12-14
6710930 Illumination optical system and method of making exposure apparatus Takeshi Suzuki 2004-03-23
RE38465 Exposure apparatus Hitoshi Matsuzawa, Mikihiko Ishii 2004-03-16
6583931 Projection optical system, production method thereof, and projection exposure apparatus using it Hiroyuki Hiraiwa 2003-06-24
6366404 Projection optical system, production method thereof, and projection exposure apparatus using it Hiroyuki Hiraiwa 2002-04-02
6181469 Optical member for photolithography, method for evaluating optical member, and photolithography apparatus Hiroyuki Hiraiwa, Katsuya Miyoshi 2001-01-30
6104544 Exposure apparatus Hitoshi Matsuzawa, Mikihiko Ishii 2000-08-15
6025955 Optical member for photolithography, method for evaluating optical member, and photolithography apparatus Hiroyuki Hiraiwa, Katsuya Miyoshi 2000-02-15
5719698 Silica glass member for UV-lithography, method for silica glass production, and method for silica glass member production Hiroyuki Hiraiwa 1998-02-17
5699183 Silica glass member for UV-lithography, method for silica glass production, and method for silica glass member production Hiroyuki Hiraiwa, Seishi Fujiwara, Hiroki Jinbo, Jun Takano, Norio Komine +1 more 1997-12-16