Inventor
HATAKEYAMA ICHIRO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HATAKEYAMA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
12 patentsUS5798664AAug 25, 1998
Offset cancelling amplifier circuit having Miller integrator as offset detector
NEC CORP108 citations97
US6181454B1Jan 30, 2001
Adaptive threshold controlled decision circuit immune to ringing components of digital signals
NEC CORP66 citations96
US6081362AJun 27, 2000
Optical receiver capable of responding to both burst and continuous signals
NEC CORP29 citations92
US6018407AJan 25, 2000
Optical receiving circuit
NEC CORP25 citations92
US7620272B2Nov 17, 2009
Photoelectric composite module and optical input/output device
NEC CORP19 citations84
US6538790B1Mar 25, 2003
Optical receiver array
NEC CORP16 citations84
US7488122B2Feb 10, 2009
Optical connector and optical module
NEC CORP13 citations83
US7561762B2Jul 14, 2009
Semiconductor device having optical signal input-output mechanism
NEC CORP6 citations74
US6819722B2Nov 16, 2004
Offset control circuit, optical receiver using the same and optical communication system
NEC CORP12 citations73
US5525929AJun 11, 1996
Transimpedance amplifier circuit with feedback and load resistor variable circuits
NEC CORP18 citations73
US7783143B2Aug 24, 2010
Semiconductor device having optical signal input-output mechanism
NEC CORP3 citations63
US5793256AAug 11, 1998
Integrated circuit preamplifier for an optical receiver
NEC CORP5 citations62