Inventor
OKUNO MASAYUKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OKUNO MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
10 patentsUS7974502B2Jul 5, 2011
Optical module and optical switch
NIPPON TELEGRAPH & TELEPHONE12 citations92
US7206473B2Apr 17, 2007
Optical module and optical switch constituting the same
NIPPON TELEGRAPH & TELEPHONE13 citations92
US6999652B2Feb 14, 2006
Optical module and optical switch constituting the same
NIPPON TELEGRAPH & TELEPHONE18 citations92
US6546161B2Apr 8, 2003
No polarization dependent waveguide type optical circuit
NIPPON TELEGRAPH & TELEPHONE32 citations92
US5117470AMay 26, 1992
Guided-wave optical circuit and method for adjusting a characteristic thereof
NIPPON TELEGRAPH & TELEPHONE54 citations92
US5327517AJul 5, 1994
Guided-wave circuit module and wave-guiding optical component equipped with the module
NIPPON TELEGRAPH & TELEPHONE40 citations91
US5247594ASep 21, 1993
Waveguide-type optical matrix switch
NIPPON TELEGRAPH & TELEPHONE46 citations91
US6823094B2Nov 23, 2004
Interferometer and its fabrication method
NIPPON TELEGRAPH & TELEPHONE12 citations74
US7177495B2Feb 13, 2007
Optical module and optical switch constituting the same
NIPPON TELEGRAPH & TELEPHONE5 citations73
US7116859B2Oct 3, 2006
Optical module and optical switch constituting the same
NIPPON TELEGRAPH & TELEPHONE7 citations73