Inventor
MISAWA SHIGEYOSHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MISAWA SHIGEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
12 patentsUS5481636AJan 2, 1996
Wavelength conversion element
RICOH KK72 citations96
US4876680AOct 24, 1989
Monolithic optical pick-up using an optical waveguide
RICOH KK54 citations96
US5235589AAug 10, 1993
Apparatus for recording and reproducing optical information and prism coupler
RICOH KK67 citations95
US5208800AMay 4, 1993
Mode splitter and magneto-optical signal detection device
RICOH KK104 citations95
US5418765AMay 23, 1995
Apparatus for recording and reproducing optical information having an optical waveguide
RICOH KK26 citations92
US5333231AJul 26, 1994
Wavelength conversion element
RICOH KK29 citations92
US5119452AJun 2, 1992
High efficiency prism coupling device and method for producing the same
RICOH KK28 citations92
US4971414ANov 20, 1990
Optical information record/read apparatus
RICOH KK25 citations92
US5907438AMay 25, 1999
Imaging device
RICOH KK31 citations91
US5195071AMar 16, 1993
Focus detecting optical head
RICOH KK9 citations74
US7826174B2Nov 2, 2010
Information recording method and apparatus using plasmonic transmission along line of ferromagnetic nano-particles with reproducing method using fade-in memory
RICOH KK7 citations73
US5091982AFeb 25, 1992
Waveguide type optical detection apparatus
RICOH KK4 citations62