TT

Tomowaki Takahashi

NI Nikon: 32 patents #99 of 2,493Top 4%
NK Nippon Kogaku K.K.: 6 patents #54 of 382Top 15%
Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #87,102 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
7692767 Projection optical system and exposure apparatus with the same 2010-04-06
7630057 Projection optical system, exposure apparatus, and device manufacturing method 2009-12-08
7483122 Projection optical system, exposure apparatus, and exposure method Hideki Komatsuda, Masayuki Suzuki 2009-01-27
7470033 Reflection-type projection-optical systems, and exposure apparatus comprising same 2008-12-30
7436589 Reflective-type projection optical system and exposure apparatus equipped with said reflective-type projection optical system 2008-10-14
7312851 Projection optical system, exposure apparatus, and exposure method in which a reflective projection optical system has a non-circular aperture stop Hideki Komatsuda, Masayuki Suzuki 2007-12-25
7283206 Projection optical system, exposure apparatus, and device manufacturing method 2007-10-16
RE39296 Catadioptric projection systems 2006-09-19
7030965 Catadioptric system and exposure device having this system 2006-04-18
RE39024 Exposure apparatus having catadioptric projection optical system 2006-03-21
6867931 Dual-imaging optical system 2005-03-15
6781766 Projection optical system 2004-08-24
6707616 Projection exposure apparatus, projection exposure method and catadioptric optical system Hiroyuki Tsukamoto 2004-03-16
RE38438 Catadioptric reduction projection optical system and exposure apparatus having the same 2004-02-24
RE38421 Exposure apparatus having catadioptric projection optical system 2004-02-10
6538821 Projection optical system 2003-03-25
6392822 Dual-imaging optical system 2002-05-21
6302548 Catoptric reduction projection optical system and exposure apparatus and method using same Yutaka Suenaga 2001-10-16
6213610 Catoptric reduction projection optical system and exposure apparatus and method using same Yutaka Suenaga 2001-04-10
6172825 Catoptric reduction projection optical system and projection exposure apparatus and method using same 2001-01-09
6157498 Dual-imaging optical system 2000-12-05
6109756 Catoptric reduction projection optical system 2000-08-29
6097537 Catadioptric optical system Junichi Misawa 2000-08-01
5999333 Exposure apparatus having catadioptric projection optical system 1999-12-07
5969882 Catadioptric optical system 1999-10-19