IN

Ikuo Negoro

PE Pentax: 31 patents #38 of 761Top 5%
AK Asahi Kogaku Kogyo K.K.: 6 patents #8 of 180Top 5%
Overall (All Time): #91,075 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4912490 Printer for continuous form with justification control Kiyoshi Negishi, Masahiro Kita 1990-03-27
4890140 Image fixing apparatus Masahiro Kita 1989-12-26
4870434 Printer for continuous formwith justification control Kiyoshin Negishi, Masahiro Kita 1989-09-26
4868673 Laser beam scanning device 1989-09-19
4733278 Apparatus for forming image on copying machine at variable zoom ratio 1988-03-22
4585308 Lens frame holding device 1986-04-29
4557594 Magnification varying device for copying machine 1985-12-10
4555165 Zoom lens barrel for variable magnification type copying machine 1985-11-26
4498759 Continuous variable magnification-type copying machine capable of enlarging and contracting an image Ryota Ogawa 1985-02-12
4436416 Mirror scanning control mechanism in variable magnification type copying machine Hisao Iwanade 1984-03-13
4420248 Variable magnification copying device Ryota Ogawa, Hisao Iwanade, Yasunori Arai 1983-12-13
4412737 Position detecting device for a zoom lens of a copying machine Hisao Iwanade 1983-11-01