YH

Yoshifumi Homma

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
📍 Ibaraki, JP: #1,651 of 6,779 inventorsTop 25%
Overall (All Time): #892,306 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5132728 Drum driving unit of electrophotography printer Masafumi Suzaki, Tsugio Kikuchi, Yousuke Nagano, Kenichi Ebata 1992-07-21
5081544 Optical scanning apparatus Kazuo Kikuchi 1992-01-14
4809042 Light beam scanning device and electronic photographic recording device using the same 1989-02-28
4620768 Optical scanning system Kimio Tatsuno, Keiji Kataoka, Yoshifumi Ono 1986-11-04
4612555 Laser beam scanner apparatus Jinichi Hongou, Shoichi Ito, Kimio Tatsuno 1986-09-16
4513300 Apparatus for driving a semiconductor laser for use in a laser-beam printer Kimio Tatsuno, Susumu Saito, Shoichi Ito, Isamu Terashima, Mitsugu Asano +1 more 1985-04-23