Inventor
ITOH MASAMI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ITOH MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
5 patentsUS5513042AApr 30, 1996
Lens system with master lens system and conversion lens
RICOH KK23 citations92
US5182673AJan 26, 1993
Zoom lens having high variable magnification
RICOH KK38 citations92
US5270865ADec 14, 1993
Compact zoom lens
RICOH KK11 citations73
US5059006AOct 22, 1991
Compact zoom lens
RICOH KK14 citations73
US5448400ASep 5, 1995
Zoom finder of real image type and real image type zoom finder capable of making magnification transition
RICOH KK19 citations72
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS5119214AJun 2, 1992
Method for forming a computer generated hologram
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96
US5497433AMar 5, 1996
Optical information processing apparatus and method for using computer generated hologram
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5343415AAug 30, 1994
Logarithmic polar coordinate transforming method, vision recognizing method, and optical information processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5386378AJan 31, 1995
Optical information processing apparatus and method using computer generated hologram
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74