MM

Masaru Mitsui

HO Hoya: 22 patents #28 of 1,290Top 3%
OC Orc Manufacturing Co.: 1 patents #32 of 77Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #174,668 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8652306 Method for manufacturing mask blank, method for manufacturing transfer mask, sputtering target for manufacturing mask blank 2014-02-18
8039178 Manufacturing method of transparent substrate for mask blanks, manufacturing method of mask blanks, manufacturing method of exposure masks, manufacturing method of semiconductor devices, manufacturing method of liquid crystal display devices, and defect correction method of exposure masks Masaru Tanabe 2011-10-18
7862960 Manufacturing method of transparent substrate for mask blanks, manufacturing method of mask blanks, manufacturing method of exposure masks, manufacturing method of semiconductor devices, manufacturing method of liquid crystal display devices, and defect correction method of exposure masks Masaru Tanabe 2011-01-04
7833387 Mask blank manufacturing method and sputtering target for manufacturing the same Toshiyuki Suzuki 2010-11-16
7635950 Short-arc type high pressure discharge lamp having gaps formed among electrode axes, metal foils and a glass material surface Kiyotaka Tanba, Takayuki Kagami, Nobuo Kanai, Yasuhito Sakai 2009-12-22
7601468 Process for manufacturing half-tone phase shifting mask blanks Toshiyuki Suzuki, Shigenori Ishihara 2009-10-13
D568839 Photomask blank Shigekazu Matsui, Masao Ushida, Osamu Nagarekawa 2008-05-13
D543160 Photomask blank Shigekazu Matsui, Masao Ushida, Osamu Nagarekawa 2007-05-22
7217481 Photomask blank, photomask, methods of manufacturing the same and methods of forming micropattern Haruhiko Yamagata, Masao Ushida 2007-05-15
D537048 Photomask blank 2007-02-20
7141339 Process for manufacturing half-tone phase shifting mask blanks Toshiyuki Suzuki, Shigenori Ishihara 2006-11-28
7026077 Photomask blank manufacturing method Toshiyuki Suzuki, Shigenori Ishihara 2006-04-11
6899979 Photomask blank, photomask, methods of manufacturing the same, and method of forming micropattern Haruhiko Yamagata, Masao Ushida 2005-05-31
6762000 Phase shift mask blank, photo mask blank and manufacturing apparatus and method of blanks Osamu Nozawa, Hitoshi Ootsuka, Hideaki Mitsui 2004-07-13
6723477 Method for manufacturing phase shift mask blank and method for manufacturing phase shift mask Osamu Nozawa, Hideaki Mitsui 2004-04-20
6475681 Phase shift mask and phase shift mask blank Kimihiro Okada, Hideki Suda 2002-11-05
6242138 Phase shift mask and phase shift mask blank Kimihiro Okada, Hideki Suda 2001-06-05
6153341 Phase shift mask and phase shift mask blank Kimihiro Okada, Hideki Suda 2000-11-28
6037083 Halftone phase shift mask blanks, halftone phase shift masks, and fine pattern forming method 2000-03-14
5942356 Phase shift mask and phase shift mask blank Kimihiro Okada, Hideki Suda 1999-08-24
5858582 Phase shift mask and phase shift mask blank 1999-01-12
5849439 Method for preparing phase shift mask blank, and phase mask 1998-12-15
5804337 Phase shift mask and phase shift mask blank 1998-09-08
5635315 Phase shift mask and phase shift mask blank 1997-06-03