YA

Yumiko Anzai

HI Hitachi: 46 patents #351 of 28,497Top 2%
HM Hitachi Maxell: 12 patents #56 of 1,211Top 5%
HS Hitachi-Lg Data Storage: 3 patents #87 of 294Top 30%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
MA Maxell: 1 patents #286 of 437Top 70%
NC Nippon Columbia Co.: 1 patents #15 of 66Top 25%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
Overall (All Time): #49,059 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 25 most recent of 53 patents

Patent #TitleCo-InventorsDate
11561393 Light guide plate and image display device Hiroyuki Minemura 2023-01-24
11251011 Electron microscope Takashi Ohshima, Hiroyuki Minemura, Momoyo Enyama, Yoichi Ose, Toshihide Agemura 2022-02-15
10310321 Optical element, manufacturing method of optical element, and optical device Koji Hirata, Hiroyuki Minemura, Tetsuya Nishida, Jiro Yamamoto, Naoyuki Kofuji +2 more 2019-06-04
10041874 Optical measurement method and appartus Hiroyuki Minemura, Kentaro Osawa 2018-08-07
9933553 Optical element and optical device Koji Hirata, Hiroyuki Minemura, Tetsuya Nishida, Jiro Yamamoto, Naoyuki Kofuji +2 more 2018-04-03
9772178 Optical measuring device Kentaro Osawa, Hiroyuki Minemura 2017-09-26
9557462 Optical element and optical apparatus Hiroyuki Minemura 2017-01-31
8891168 Optical element and optical apparatus Hiroyuki Minemura, Hideharu Mikami 2014-11-18
8735865 Semiconductor memory device Hiroyuki Minemura, Takahiro Morikawa, Toshimichi Shintani, Yoshitaka Sasago 2014-05-27
8658998 Semiconductor storage device Hiroyuki Minemura 2014-02-25
8147941 Multi-information-layer recording medium and manufacturing process Junko Ushiyama, Toshimichi Shintani 2012-04-03
8095844 Digital information reproduction method Hiroyuki Minemura, Toshimichi Shintani, Soichiro Eto 2012-01-10
7990817 Optical disk medium and tracking method Hiroyuki Minemura, Toshimichi Shintani, Soichiro Eto 2011-08-02
7911910 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-22
7907491 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-15
7907490 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-15
7876667 Optical information recording medium, and information recording method and information reproducing method using the same Toshimichi Shintani, Akemi Hirotsune, Hiromi Kudo 2011-01-25
7852727 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2010-12-14
7852740 Information recording medium storing system and storing case Akemi Hirotsune, Masaki Mukoh, Youichi Horii, Hiroko Sukeda, Rieko Otsuka +1 more 2010-12-14
7813258 Optical information recording medium and optical information reproducing method Toshimichi Shintani, Hiroyuki Minemura, Soichiro Eto 2010-10-12
7746757 Optical disc medium and optical disc device Hiroyuki Minemura, Toshimichi Shintani 2010-06-29
7684301 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2010-03-23
7680025 Optical information recording medium, reproducing method thereof, and manufacturing method thereof Toshimichi Shintani, Harukazu Miyamoto, Hiromi Kudo 2010-03-16
7601412 Information recording medium, information reproduction method and information recording method Akemi Hirotsune 2009-10-13
7417933 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2008-08-26