Inventor
NAKA HIROSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NAKA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS6461059B2Oct 8, 2002
Photo-electronic device and method of producing the same
HITACHI LTD48 citations95
US6721511B1Apr 13, 2004
Optical communication equipment and optical communication network equipment
HITACHI LTD25 citations93
US6476379B2Nov 5, 2002
Optoelectronic devices and manufacturing method thereof
HITACHI LTD22 citations92
US6371664B2Apr 16, 2002
Photoelectronic device and method of manufacturing the same
HITACHI LTD17 citations92
US6282350B1Aug 28, 2001
Photoelectronic device and method of manufacturing the same
HITACHI LTD35 citations92
US7275453B2Oct 2, 2007
Analyzing apparatus and fine particle collecting apparatus
HITACHI LTD19 citations90
US6443632B2Sep 3, 2002
Photo-electronic device and method of producing the same
HITACHI LTD13 citations73
US4779281AOct 18, 1988
Light emitting chip and optical communication apparatus using the same
HITACHI LTD8 citations71
US4701927AOct 20, 1987
Light emitting chip and optical communication apparatus using the same
HITACHI LTD8 citations71
US4692927ASep 8, 1987
Light emitting device with improved electrode structure to minimize short circuiting
HITACHI LTD7 citations71
US6668140B2Dec 23, 2003
Module for optical communication
HITACHI LTD4 citations62
US6341027B1Jan 22, 2002
Module for optical communication
HITACHI LTD4 citations62
US4785455ANov 15, 1988
Light emitting device with improved electrode structure to minimize short circuiting
HITACHI LTD4 citations60
SHARP KK
6 patentsUS5761580AJun 2, 1998
Photoreceptor drum driving mechanism
SHARP KK39 citations92
US5344130ASep 6, 1994
Device for further processing after copying
SHARP KK29 citations91
US5639079AJun 17, 1997
Device for further processing after copying
SHARP KK17 citations81
US5605322AFeb 25, 1997
Device for further processing after copying
SHARP KK14 citations81
US5480130AJan 2, 1996
Device for further processing after copying
SHARP KK12 citations81
US5435535AJul 25, 1995
Device for further processing after copying
SHARP KK12 citations81