Inventor
KANEKO AKIMASA
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KANEKO AKIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
6 patentsUS6320888B1Nov 20, 2001
Frequency stabilized laser and method for preparing thereof
NIPPON TELEGRAPH & TELEPHONE75 citations96
US6304687B1Oct 16, 2001
Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE82 citations95
US6304706B1Oct 16, 2001
Planar lightwave circuit
NIPPON TELEGRAPH & TELEPHONE34 citations92
US6229938B1May 8, 2001
WDM filter
NIPPON TELEGRAPH & TELEPHONE20 citations92
US6718140B1Apr 6, 2004
Optical wavelength division multiplexing transmission network device
NIPPON TELEGRAPH & TELEPHONE16 citations83
US7995876B2Aug 9, 2011
Arrayed waveguide grating circuit
NIPPON TELEGRAPH & TELEPHONE0 citations39
NTT ELECTRONICS CORP
3 patentsUS6898345B2May 24, 2005
Optical multiplexer and method for its production
NTT ELECTRONICS CORP7 citations73
US6842560B2Jan 11, 2005
Optical multiplexing circuit and optical multiplexer
NTT ELECTRONICS CORP9 citations67
US7400800B2Jul 15, 2008
Arrayed waveguide grating type optical multiplexer/demultiplexer circuit
NTT ELECTRONICS CORP2 citations59