Inventor
BABA NAOHIKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “BABA NAOHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPNEXT JAPAN INC
4 patentsUS7164865B2Jan 16, 2007
Optical fiber communication equipment and its applied optical systems
OPNEXT JAPAN INC44 citations92
US6501583B1Dec 31, 2002
Optical receiver module optical transmitter module phase-locked loop circuit voltage-controlled oscillator and frequency response controllable amplifier
OPNEXT JAPAN INC7 citations71
US6829441B2Dec 7, 2004
Driver circuit and optical-transmission module
OPNEXT JAPAN INC5 citations61
US7031620B2Apr 18, 2006
Optical transmission device and optical transmission system using the same
OPNEXT JAPAN INC0 citations48
HITACHI LTD
3 patentsUS6229832B1May 8, 2001
Optical wavelength stability control apparatus, optical transmitter and multiple wavelength transmitter
HITACHI LTD42 citations91
US6661503B1Dec 9, 2003
Method for manufacturing optic transmission modules and system for inspecting bit error rate characters
HITACHI LTD26 citations89
US6606177B1Aug 12, 2003
Driver circuit and optical-transmission module
HITACHI LTD9 citations72