TH

Tsugio Hirabayashi

KO Konica: 9 patents #255 of 1,958Top 15%
KC Konishiroku Photo Industry Co.: 9 patents #85 of 894Top 10%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #212,294 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5118092 Document feeding apparatus Yasushi Yamada, Yoshikazu Maekawa, Hiroyuki Arai, Susumu Okui, Toshihide Miura 1992-06-02
4988030 Printed recording paper processing apparatus Takeshi Muramatu, Masaaki Sekiguchi 1991-01-29
4974827 Document conveyance apparatus Hiroyuki Arai 1990-12-04
4944504 Document feeding apparatus Yasushi Yamada, Yoshikazu Maekawa, Hiroyuki Arai, Susumu Okui, Toshihide Miura 1990-07-31
4939554 Sheet conveyance apparatus Masahito Kuratsune, Kohji Yoshie, Hiroyuki Ari, Yoshikazu Maekawa, Masaru Ushio +2 more 1990-07-03
4937634 Reproducing machine with document feeding apparatus Yasushi Yamada, Yoshikazu Maekawa 1990-06-26
4935780 Document feeding apparatus and reproducing machine having document feeding apparatus Yasushi Yamada, Susumu Okui, Hirofumi Sakaguchi 1990-06-19
4921239 Document feeding apparatus Susumu Okui, Izumi Hamanaka 1990-05-01
4898372 Copy paper processing apparatus Izumi Hamanaka 1990-02-06
4896876 Document feeding apparatus Yasushi Yamada, Masaru Ushio, Yoshikazu Maekawa 1990-01-30
4627706 Sorting machine and image reproducing apparatus Seiji Takahashi, Masayuki Miyazaki, Yoshikazu Maekawa 1986-12-09
4456363 Paper feeding arrangement for copying apparatus 1984-06-26
4448514 Split exposure optical system for copying machine Yozo Fujii, Hirofumi Sakaguchi 1984-05-15
4433904 Electrophotographic copying machine Isao Ikemoto, Junichi Koiso, Akihiko Tamura 1984-02-28
4403852 Developer recovering device for electrostatic image reproducing system Junichi Koiso 1983-09-13
4395114 Toner recovery device Hiroaki Ura, Junichi Koiso 1983-07-26
D269894 Tennis ball projector for training purposes Michio Nakai 1983-07-26
D269692 Tennis practice net Michio Nakai 1983-07-12
4386838 Component mounting arrangement for electrostatic recording apparatus Isao Ikemoto 1983-06-07
4368885 Spring type ball emitting apparatus Masayasu Katada, Yuko Imai 1983-01-18
4360944 Toner transporting device for an electrostatic recording apparatus Fumio Iwai, Junichi Koiso, Hiroaki Ura 1982-11-30