SK

Shigeharu Kawamura

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Overall (All Time): #766,898 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5184008 X-ray imaging tube with specific positional and size relationship of elements Keiichi Saito, Syozo Sato, Kiyohito Kawasumi 1993-02-02
4825067 Coupling means for aligning fiber optic bundles between X-ray image intensifier and image pickup tube Yoshiharu Obata, Yuichi Fujimoto, Kinya Kabashima 1989-04-25
4740683 X-ray image intensifier with phosphor layer of varying thickness Takashi Noji 1988-04-26
4739172 Fiber optic phosphor screen and a method of manufacturing the same Yoshiharu Obata, Takashi Noji, Masahiro Sugiyama 1988-04-19
4670094 Method of manufacturing a phosphor screen Yoshiharu Obata, Takashi Noji, Masahiro Sugiyama 1987-06-02
4654558 Fiber optic phosphor screen and a method of manufacturing the same Yoshiharu Obata, Takashi Noji, Masahiro Sugiyama 1987-03-31
4598228 High resolution output structure for an image tube which minimizes Fresnel reflection Yoshiharu Obata, Takashi Noji, Masahiro Sugiyama 1986-07-01