YO

Yasushi Okubo

HO Hoya: 24 patents #24 of 1,290Top 2%
KM Konica Minolta: 14 patents #126 of 2,718Top 5%
KO Konica: 7 patents #359 of 1,958Top 20%
KO Konica Minolta Opto: 1 patents #236 of 418Top 60%
NT Nuflare Technology: 1 patents #192 of 298Top 65%
YC Yuyama Mfg. Co.: 1 patents #87 of 147Top 60%
Overall (All Time): #60,772 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
8021804 Photomask manufacturing method Hisashi Kasahara 2011-09-20
7955763 Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and mask Akinori Kurikawa, Hisashi Kasahara 2011-06-07
7901842 Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor device Takeyuki Yamada, Masao Ushida, Hiroyuki Iwashita 2011-03-08
7871713 Electroluminescent material, electroluminescent element and color conversion filter Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda 2011-01-18
7851108 Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and mask Akinori Kurikawa, Hisashi Kasahara 2010-12-14
7820255 Transparent film for display substrate, display substrate using the film and method of manufacturing the same, liquid crystal display, organic electroluminescence display, and touch panel Kazuto Kiyohara, Satomi Kawabe 2010-10-26
7794900 Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrate 2010-09-14
7794901 Method of manufacturing mask blank and transfer mask Atsushi Kominato, Toshiyuki Suzuki 2010-09-14
7713663 Mask blank, manufacturing method of mask blank, manufacturing method of transfer mask and manufacturing method of semiconductor device Yasunori Yokoya 2010-05-11
7709161 Photomask producing method and photomask blank Mutsumi Hara 2010-05-04
7655364 Methods of manufacturing mask blank and transfer mask Atsushi Kominato, Toshiyuki Suzuki 2010-02-02
7648807 Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrate 2010-01-19
7569259 Plasticizer, cellulose ester film, polarizing plate, and liquid crystal display Kazuto Kiyohara, Satomi Kawabe, Akihiko Takeda, Takayuki Suzuki, Kazuaki Nakamura 2009-08-04
7348063 Film substrate and its manufacturing method Taketoshi Yamada, Hiroshi Kita, Koichi Saito 2008-03-25
7323530 Transparent resin film, its manufacturing method, electronic display, liquid crystal display, organic EL display, and touch panel Takahiro Takagi, Kaori Ono 2008-01-29
7316851 Electroluminescent material, electroluminescent element and color conversion filter Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda 2008-01-08
7314690 Photomask producing method and photomask blank Mutsumi Hara 2008-01-01
7264890 Electroluminescent material, electroluminescent element and color conversion filter Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda 2007-09-04
7141304 Film substrate and its manufacturing method Taketoshi Yamada, Hiroshi Kita, Koichi Saito 2006-11-28
6946519 Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film Takahiro Takagi, Yasuo Kurachi, Kaori Ono 2005-09-20
6656608 Electroluminescent material, electroluminescent element and color conversion filter Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda 2003-12-02
6478185 Tablet vessel feed apparatus Tsuyoshi Kodama, Shinichi Honda, Takafumi Imai, Hidenori Murakami 2002-11-12