Inventor
KITABAYASHI JUNICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KITABAYASHI JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
13 patentsUS5015835AMay 14, 1991
Optical information reading and writing device with diffraction means
RICOH KK56 citations96
US5281802AJan 25, 1994
Focus error signal detection device with separating prism
RICOH KK22 citations92
US5278817AJan 11, 1994
Optical pick-up for use with an opto-magnetic signal
RICOH KK25 citations92
US5115423AMay 19, 1992
Optomagnetic recording/reproducing apparatus
RICOH KK39 citations92
US5101389AMar 31, 1992
Optical information recording/reproducing apparatus
RICOH KK52 citations92
US4744659AMay 17, 1988
Method of and apparatus for measuring the shape of a wavefront
RICOH KK30 citations92
US4743117AMay 10, 1988
Device for optically measuring aspheric surface
RICOH KK40 citations91
US7164532B2Jan 16, 2007
Diffraction grating, light source unit applying the same therein, and optical head device employing the same
RICOH KK13 citations83
US5487058AJan 23, 1996
Optical pick-up system with improved light-convergence construction
RICOH KK15 citations73
US5144684ASep 1, 1992
Parallel image processing apparatus using edge detection layer
RICOH KK18 citations73
US4653923AMar 31, 1987
Focusing method for interferometer
RICOH KK12 citations73
US4743118AMay 10, 1988
Method of detecting origin of shear and measuring amount of shear in shearing interferometer systems
RICOH KK17 citations72
US7577076B2Aug 18, 2009
Tilt sensor using diffraction grating
RICOH KK5 citations58