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 1–25 of 47 patents

Patent #TitleCo-InventorsDate
10527931 Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device Osamu Nozawa, Ryo Ohkubo, Hiroaki Shishido 2020-01-07
10101650 Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device Osamu Nozawa, Ryo Ohkubo, Hiroaki Shishido 2018-10-16
9972802 Organic electroluminescent element Dai Ikemizu, Takayuki Iijima, Takamune Hattori, Hideo Taka 2018-05-15
9952497 Mask blank and method of manufacturing phase shift mask Ryo Ohkubo 2018-04-24
9941422 Organic photoelectric conversion element and solar cell using the same Hiroaki Itoh, Ayako Wachi, Hiroshi Ishidai 2018-04-10
9935269 Electroluminescence element Dai Ikemizu, Hideo Taka 2018-04-03
9882072 Solar cell and transparent electrode Hiroaki Itoh, Ayako Wachi, Hidekane Ozeki, Kazuhiro Yoshida, Takeshi Hakii 2018-01-30
9666818 Tandem-type organic photoelectric conversion element and solar battery Noriko Yasukawa, Hiroaki Itoh, Takamune Hattori 2017-05-30
9634261 Organic photoelectric conversion element and solar cell using same Kunio Tani 2017-04-25
9494852 Mask blank and method of manufacturing phase shift mask Ryo Ohkubo 2016-11-15
9318707 Organic photoelectric conversion element, and solar cell and optical sensor array each using same Takamune Hattori 2016-04-19
9075319 Mask blank and transfer mask Masahiro Hashimoto, Hiroyuki Iwashita, Osamu Nozawa 2015-07-07
8967848 Lighting device Takahiko Nojima, Hiroaki Itoh, Ayako Wachi 2015-03-03
8912435 Organic photoelectric conversion element Ayako Wachi, Takahiko Nojima, Hiroaki Itoh 2014-12-16
8729387 Organic photoelectric conversion element, solar cell and optical sensor array Takahiko Nojima, Hiroaki Itoh, Ayako Wachi 2014-05-20
8697315 Photomask blank and production method thereof, and photomask production method, and semiconductor device production method Takeyuki Yamada, Atsushi Kominato, Hiroyuki Iwashita, Masahiro Hashimoto 2014-04-15
8663875 Method of manufacturing a photomask Toshiyuki Suzuki, Masahiro Hashimoto 2014-03-04
8664518 Organic photoelectric conversion element and producing method of the same Ayako Wachi, Takahiko Nojima, Hiroaki Itoh 2014-03-04
8546684 Organic photoelectric conversion element and organic photoelectric conversion element manufacturing method Takahiko Nojima, Hiroaki Itoh, Ayako Wachi 2013-10-01
8367276 Mask blank and method of manufacturing mask Masahiro Hashimoto, Toshiyuki Suzuki, Takayuki Ohnishi, Hirohito Anze, Hitoshi Sunaoshi +1 more 2013-02-05
8268513 Mask blank manufacturing method 2012-09-18
8114556 Photomask blank and production method thereof, and photomask production method, and semiconductor device production method Takeyuki Yamada, Atsushi Kominato, Hiroyuki Iwashita, Masahiro Hashimoto 2012-02-14
8048596 Photomask producing method and photomask blank Mutsumi Hara 2011-11-01
8048591 Mask blank glass substrate, mask blank glass substrate manufacturing method, mask blank manufacturing method, and mask manufacturing method Hisashi Kasahara 2011-11-01
8043771 Phase shift mask blank and method of manufacturing phase shift mask Atsushi Kominato, Toshiyuki Suzuki 2011-10-25