Inventor
HATANAKA TAKAAKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HATANAKA TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
5 patentsUS6922510B2Jul 26, 2005
Spiraling optical device
NEC CORP19 citations90
US7327918B2Feb 5, 2008
Waveguide-type optical splitter and waveguide-type optical module having the same
NEC CORP14 citations83
US7103247B2Sep 5, 2006
Waveguide type optical splitter and waveguide type optical module comprising the same
NEC CORP14 citations83
US7151873B2Dec 19, 2006
Waveguide type optical splitter and waveguide type optical module comprising the same
NEC CORP5 citations72
US7639910B2Dec 29, 2009
Optical module and method of packaging the same
NEC CORP4 citations61