MI

Masami Itoh

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #590,931 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5513042 Lens system with master lens system and conversion lens Shuichi Kikuchi 1996-04-30
5497433 Optical information processing apparatus and method for using computer generated hologram Kanji Nishii, Hiroyuki Kawamura, Atsushi Fukui 1996-03-05
5448400 Zoom finder of real image type and real image type zoom finder capable of making magnification transition Syuichi Kikuchi, Takao Yamaguchi, Noriyuki Iwata 1995-09-05
5386378 Optical information processing apparatus and method using computer generated hologram Kanji Nishii, Hiroyuki Kawamura, Atsushi Fukui 1995-01-31
5343415 Logarithmic polar coordinate transforming method, vision recognizing method, and optical information processing apparatus Kanji Nishii, Hiroyuki Kawamura, Atsushi Fukui 1994-08-30
5270865 Compact zoom lens Shuichi Kikuchi 1993-12-14
5182673 Zoom lens having high variable magnification Shuichi Kikuchi 1993-01-26
5119214 Method for forming a computer generated hologram Kanji Nishii, Hiroyuki Kawamura, Atsushi Fukui 1992-06-02
5059006 Compact zoom lens Shuichi Kikuchi 1991-10-22