YT

Yasuyuki Tsuji

HC Hitachi Koki Co.: 20 patents #32 of 888Top 4%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
NT Ntn: 2 patents #586 of 1,364Top 45%
JD Japan Display: 1 patents #900 of 1,204Top 75%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
📍 Ibaraki, JP: #303 of 6,779 inventorsTop 5%
Overall (All Time): #174,690 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8674949 Liquid crystal display apparatus Kenji Nakao, Mitsutaka Okita, Shigesumi Araki 2014-03-18
8455837 Ion implanter, ion implantation method and program 2013-06-04
7168859 Thrust ball bearing Michio Hori 2007-01-30
5818496 Exposure device of electrophotographic apparatus with optical path position deciding device Youji Hirose, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima, Muneyoshi Akai +7 more 1998-10-06
5790168 Printing apparatus with movable slitter for printed paper sheet Yoshihiko Sano, Takeshi Terakado, Kazutoshi Obara, Masaru Kawamoto 1998-08-04
5774777 Continuous recording medium friction-conveying mechanism in image forming apparatus Hidefumi Ohtsuka, Shigeru Obata, Junichi Matsuno, Shuho Yokokawa, Isao Nakajima +2 more 1998-06-30
5572290 Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds Hiroshi Ueno, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima, Youji Hirose +7 more 1996-11-05
5561514 Image forming apparatus and sheet arranging method for the apparatus Yoshihiko Sano, Takeshi Terakado, Kazutoshi Obara, Masaru Kawamoto 1996-10-01
5545840 Developing device in electrophotographic apparatus including developing poll configuration while stably carries developer Koji Doi, Shuuho Yokokawa, Kunitomo Takahashi, Youji Hirose, Hiroshi Ueno +3 more 1996-08-13
5516982 Developing apparatus having developer regulating member Youichi Takeuchi, Shuuho Yokokawa, Kunitomo Takahashi, Youji Hirose, Hiroshi Ueno +3 more 1996-05-14
5459562 Recording apparatus for printing both faces of a recording medium using an electrophotographyprocess Teruaki Mitsuya, Yoshihiro Gunji, Hiroshi Hakuta, Yasuo Takuma 1995-10-17
5453820 Developing device having a developer mixing chamber for use in electrophotographic apparatus Hiroshi Ueno, Shuuho Yokokawa, Isao Nakajima, Tsukasa Onose, Yoshio Ogura +1 more 1995-09-26
5416571 Developing device for electrophotograph-type printer Koutaro Yamada, Masayasu Anzai, Youji Hirose, Yukio Otome, Koji Doi +4 more 1995-05-16
5402409 Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position Keiji Kataoka, Susumu Saito, Shuuho Yokokawa, Kunitomo Takahashi, Tsukasa Ogawa +2 more 1995-03-28
5359396 Toner density detection method for electrophotographic apparatus Yoshio Ogura, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima, Muneyoshi Akai +3 more 1994-10-25
5179417 Apparatus for printing on opposite surfaces of a strip of printing paper Tomio Sugaya, Yasuo Kikuchi, Katsuhiro Akinaga, Masaaki Akutsu, Motoji Kurobane 1993-01-12
5039086 Method and apparatus for adjusting posture of sheets Junichi Matsuno, Tsuyoshi Ogasawara, Masataka Kawauchi, Tsuneki Kobayashi 1991-08-13
5033878 Cage for spherical roller bearing Motoharu Niki 1991-07-23
5018718 Sheet registration method and apparatus for calculation of delay time and sheet feed control thereby Junichi Matsuno, Tsuyoshi Ogasawara, Masataka Kawauchi 1991-05-28
5006705 Light beam scanning apparatus with controller for varying spacing between a plurality of scanning beams Susumu Saito, Akira Arimoto, Takeshi Mochizuki, Minoru Ohshima, Minoru Seino 1991-04-09
4926216 Feeder of sheet-like photo-sensitive material Yasushi Hashimoto, Akira Terakado 1990-05-15
4908634 Laser power control for cut-paper printer Akira Arimoto, Susumu Saito, Osamu Namikawa, Takeshi Mochizuki 1990-03-13
D305130 Line printer for a computer Rikio Ohtani, Kimio Nakamura, Kazuyuki Kubo, Takao Chikuzenya, Osamu Nishino 1989-12-19
4774545 Cut paper electrophotographic printers with continuous paper feed mechanisms Akira Terakado 1988-09-27