TU

Takamasa Usui

KT Kabushiki Kaisha Toshiba: 35 patents #640 of 21,451Top 3%
Brother Kogyo: 23 patents #352 of 2,767Top 15%
Toshiba Memory: 5 patents #380 of 1,971Top 20%
SC Semiconductor Technology Academic Research Center: 3 patents #25 of 254Top 10%
TL Tokyo Electron Limited: 3 patents #2,069 of 5,567Top 40%
IC Ibiden Co.: 3 patents #258 of 730Top 40%
Kioxia: 3 patents #479 of 1,813Top 30%
IBM: 3 patents #26,272 of 70,183Top 40%
TC Toshiba America Electronic Components: 2 patents #14 of 77Top 20%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
📍 Yokkaichi, NY: #3 of 10 inventorsTop 30%
Overall (All Time): #25,427 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 1–25 of 75 patents

Patent #TitleCo-InventorsDate
12272676 Memory device Masayoshi Tagami, Ryota Katsumata, Jun Iijima, Tetsuya Shimizu, Genki Fujita 2025-04-08
11817428 Memory device Masayoshi Tagami, Ryota Katsumata, Jun Iijima, Tetsuya Shimizu, Genki Fujita 2023-11-14
11270980 Memory device Masayoshi Tagami, Ryota Katsumata, Jun Iijima, Tetsuya Shimizu, Genki Fujita 2022-03-08
10879137 Template, template component, and semiconductor device manufacturing method Takahito Nishimura, Suigen Kanda, Masayoshi Tagami, Jun Iljima 2020-12-29
10868029 Staggered semiconductor memory device Jun Iijima, Masayoshi Tagami, Takahito Nishimura 2020-12-15
10741527 Memory device Masayoshi Tagami, Ryota Katsumata, Jun Iijima, Tetsuya Shimizu, Genki Fujita 2020-08-11
10297578 Memory device Masayoshi Tagami, Ryota Katsumata, Jun Iijima, Tetsuya Shimizu, Genki Fujita 2019-05-21
9887262 Semiconductor device Yoshihiro Minami, Jun Iijima, Tetsuya Shimizu, Masayoshi Tagami 2018-02-06
9589974 Nonvolatile semiconductor memory device and method for manufacturing same Jun Iijima, Yoshiaki Himeno 2017-03-07
9504127 Illumination apparatus management system and information communication terminal 2016-11-22
9466779 Piezoelectric actuator and method of manufacturing piezoelectric actuator Yasuhiro Sekiguchi, Tomohiro Nodsu 2016-10-11
9196609 Semiconductor device Hajime Kaneko, Keiichi Shimada 2015-11-24
8959733 Method of manufacturing liquid transporting apparatus Yasuhiro Sekiguchi 2015-02-24
8772942 Interconnect structure employing a Mn-group VIIIB alloy liner Daniel C. Edelstein, Takeshi Nogami, Kazumichi Tsumura 2014-07-08
8716134 Interconnect structure employing a Mn-group VIIIB alloy liner Daniel C. Edelstein, Takeshi Nogami, Kazumichi Tsumura 2014-05-06
8474953 Droplet ejecting apparatus Yasuhiro Sekiguchi, Yoshitsugu Morita 2013-07-02
8456186 Reliability evaluation test apparatus, reliability evaluation test system, contactor, and reliability evaluation test method Kiyoshi Takekoshi, Hisatomi Hosaka, Junichi Hagihara, Kunihiko Hatsushika, Hisashi Kaneko +2 more 2013-06-04
8454135 Air bubble removal in an ink jet printer Takaichiro Umeda, Hikaru Kaga, Tsuyoshi Suzuki, Seiji Shimizu, Yoichiro Shimizu 2013-06-04
8377822 Semiconductor device and manufacturing method thereof Kazumichi Tsumura 2013-02-19
8133813 Semiconductor device with a barrier film Junichi Koike, Makoto Wada, Shingo Takahashi, Noriyoshi Shimizu, Hideki Shibata +3 more 2012-03-13
8044519 Semiconductor device and method of fabricating the same Tadayoshi Watanabe 2011-10-25
8029115 Liquid ejection device 2011-10-04
8020981 Inkjet recording apparatus and air removal method therefor Hisaki Sakurai 2011-09-20
7943517 Semiconductor device with a barrier film Junichi Koike, Makoto Wada, Shingo Takahashi, Noriyoshi Shimizu, Hideki Shibata +3 more 2011-05-17
7944053 Semiconductor device and method of manufacturing the same Tadayoshi Watanabe 2011-05-17