HS

Hirofumi Sakaguchi

KC Konishiroku Photo Industry Co.: 7 patents #123 of 894Top 15%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
KN Kaneka Belgium Nv: 1 patents #6 of 20Top 30%
KO Konica: 1 patents #1,290 of 1,958Top 70%
KC Konishiroku Photo Ind. Co.: 1 patents #9 of 38Top 25%
📍 Fussa, JP: #41 of 352 inventorsTop 15%
Overall (All Time): #526,344 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5911928 Method for the production of polyolefin resin granules Hisao Shimazu, Kenichi Senda, Ronald A. Smets, Van Ravestyn Pierre 1999-06-15
4935780 Document feeding apparatus and reproducing machine having document feeding apparatus Yasushi Yamada, Tsugio Hirabayashi, Susumu Okui 1990-06-19
4595279 Recording apparatus with speed control Hiroshi Kuru, Takao Shiozawa 1986-06-17
4448514 Split exposure optical system for copying machine Yozo Fujii, Tsugio Hirabayashi 1984-05-15
4444488 Adjustable mirror support for copying apparatus Yozo Fujii, Kazuo Murakami 1984-04-24
4432633 Electrophotographic reproducing apparatus Isao Nosaka, Takao Shiozawa, Yozo Fujii 1984-02-21
4368647 Reciprocating driving device 1983-01-18
4367690 Heated roller type fixing apparatus Ken Matsumoto, Keiji Masuda 1983-01-11
4355881 Recording apparatus having roller type fixing device Noriyoshi Tarumi, Kiyoaki Kawamoto, Kenji Ueno 1982-10-26
4186606 Apparatus for measuring temperature Noriyoshi Tarumi, Kenji Ueno 1980-02-05