Inventor · Tokyo, JP

Shigeyoshi Misawa

15Patents
10h-index
24Co-inventors
72Inventor score

Filing activity: Sep 4, 1987 → Sep 24, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5208800A Mode splitter and magneto-optical signal detection device Physics 79 Expired
US5235589A Apparatus for recording and reproducing optical information and prism coupler Physics 51 Expired
US5481636A Wavelength conversion element Physics 39 Expired
US4876680A Monolithic optical pick-up using an optical waveguide Physics 37 Expired
US4971414A Optical information record/read apparatus Physics 20 Expired
US5333231A Wavelength conversion element Physics 16 Expired
US5418765A Apparatus for recording and reproducing optical information having an optical waveguide Physics 15 Expired
US5119452A High efficiency prism coupling device and method for producing the same Physics 13 Expired
US5907438A Imaging device Physics 13 Expired
US7239442B2 Optical frequency comb generator Physics 10 Expired
US5195071A Focus detecting optical head Physics 7 Expired
US7826174B2 Information recording method and apparatus using plasmonic transmission along line of ferromagnetic nano-particles with reproducing method using fade-in memory Physics 6 Active
US5091982A Waveguide type optical detection apparatus Physics 3 Expired
US7940628B2 Multilayer optical information recording medium, optical head, and optical drive Physics 1 Active
US8081394B2 Information recording apparatus and method, information reproducing method and fade-in memory, with summary information corresponding to plurality of information recording elements Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.