P

Inventor

NISHIYAMA NAOKI

JP32 patents
⚠️ This page may combine multiple inventors who share the name “NISHIYAMA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

15 patents
US6188059B1Feb 13, 2001

Photocurrent monitor circuit and optical receiver

SUMITOMO ELECTRIC INDUSTRIES73 citations96
US7620332B2Nov 17, 2009

Optical receiving unit reducing cross talk between optical transmitting unit and optical transmitting/receiving apparatus installing the same

SUMITOMO ELECTRIC INDUSTRIES21 citations92
US6333804B1Dec 25, 2001

Optical module for receiving optical signal from optical fiber

SUMITOMO ELECTRIC INDUSTRIES40 citations92
US5801588ASep 1, 1998

Preamplifier for optical communication

SUMITOMO ELECTRIC INDUSTRIES39 citations92
US5610395AMar 11, 1997

Photodetector module with a photodiode electrically connected directly on top of a parallel plate capacitor

SUMITOMO ELECTRIC INDUSTRIES41 citations92
US5586208ADec 17, 1996

Analog photodiode module

SUMITOMO ELECTRIC INDUSTRIES36 citations92
US7837398B2Nov 23, 2010

Optical module having a block with feedthrough pins

SUMITOMO ELECTRIC INDUSTRIES9 citations84
US7358818B2Apr 15, 2008

Optical receiver for an optical communication

SUMITOMO ELECTRIC INDUSTRIES10 citations84
US6894903B2May 17, 2005

Optical data link

SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7211780B2May 1, 2007

Light receiving circuit using avalanche photodiode with a controlled voltage divider

SUMITOMO ELECTRIC INDUSTRIES8 citations74
US7755189B2Jul 13, 2010

Metal cap with ringed projection to be welded to stem and ringed groove provided immediately inside of ringed projection and optical device having the same

SUMITOMO ELECTRIC INDUSTRIES2 citations63
US7711021B2May 4, 2010

Laser driver circuit able to compensate a temperature dependence of the laser diode

SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7570680B2Aug 4, 2009

Laser diode driver with multiple modulation current source

SUMITOMO ELECTRIC INDUSTRIES5 citations63
US7332702B2Feb 19, 2008

Optical receiver and a method for manufacturing the same

SUMITOMO ELECTRIC INDUSTRIES4 citations63
US6974263B2Dec 13, 2005

Optical data link

SUMITOMO ELECTRIC INDUSTRIES4 citations63

TOSHIBA TEC KK

6 patents

KAWASAKI STEEL CO

3 patents

SYSMEX CORP

2 patents

VICTOR COMPANY OF JAPAN

1 patent

IHI CORP

1 patent

IDE SHINSUKE

1 patent

KATSURAGAWA DENKI KK

1 patent

SASHI KAZUMICHI

1 patent

YAMAGUCHI YASUHIRO

1 patent