Inventor
NAKAJIMA ICHIRO
JP55 patents
⚠️ This page may combine multiple inventors who share the name “NAKAJIMA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
20 patentsUS6404940B1Jun 11, 2002
Optical cross connect apparatus and optical network
FUJITSU LTD58 citations96
US6154583ANov 28, 2000
Optical switch
FUJITSU LTD53 citations96
US6522803B1Feb 18, 2003
Optical cross-connect equipment
FUJITSU LTD42 citations92
US6496289B1Dec 17, 2002
Optical exchanger
FUJITSU LTD22 citations92
US6433900B1Aug 13, 2002
Optical wavelength multiplexing system having a redundant configuration
FUJITSU LTD37 citations92
US6741811B2May 25, 2004
Optical cross-connect device and system having the device
FUJITSU LTD14 citations84
US7522839B2Apr 21, 2009
Method of upgrading optical node, and an optical node apparatus
FUJITSU LTD8 citations83
US6987903B2Jan 17, 2006
Optical transmission network, optical transmission apparatus, dispersion compensator arrangement calculation apparatus and dispersion compensator arrangement calculation method
FUJITSU LTD7 citations74
US6718081B2Apr 6, 2004
Optical switch
FUJITSU LTD7 citations74
US4037209AJul 19, 1977
Data processing system for converting from logical addresses to physical addresses
FUJITSU LTD25 citations74
US9577781B2Feb 21, 2017
Optical transmission apparatus and optical transmission control method
FUJITSU LTD2 citations72
US10782589B2Sep 22, 2020
Wavelength conversion apparatus, optical parametric amplifier, transmission apparatus, and optical transmission system
FUJITSU LTD2 citations69
US7336870B2Feb 26, 2008
Optical transmission system
FUJITSU LTD3 citations63
US7286758B2Oct 23, 2007
Method for switching transmission route, and optical transmission device
FUJITSU LTD6 citations63
US7110674B2Sep 19, 2006
Optical add/drop device
FUJITSU LTD4 citations63
US6643422B2Nov 4, 2003
Optical switch changeover controlling method, optical node device and optical switch system
FUJITSU LTD3 citations63
US7650072B2Jan 19, 2010
Method of upgrading optical node, and an optical node apparatus
FUJITSU LTD4 citations61
US9800347B2Oct 24, 2017
Optical transmission device, optical transmission system, and optical transmission control method
FUJITSU LTD1 citations51
US9467244B2Oct 11, 2016
Transmission apparatus and transmission system
FUJITSU LTD0 citations51
US9332326B2May 3, 2016
Optical transmission device and monitoring method of optical signal
FUJITSU LTD0 citations46
SOFMAP FUTURE DESIGN INC
11 patentsUS5764908AJun 9, 1998
Network system containing program modules residing in different computers and executing commands without return results to calling modules
SOFMAP FUTURE DESIGN INC159 citations98
US5903890AMay 11, 1999
Database systems having single-association structures
SOFMAP FUTURE DESIGN INC27 citations92
US5877761AMar 2, 1999
Method for smooth scrolling of text using window
SOFMAP FUTURE DESIGN INC42 citations92
US5848417ADec 8, 1998
Flexible information input and operation selection system
SOFMAP FUTURE DESIGN INC24 citations92
US5757381AMay 26, 1998
Methods for fast scrolling of images
SOFMAP FUTURE DESIGN INC29 citations92
US5781900AJul 14, 1998
Flexible hyperlink association system
SOFMAP FUTURE DESIGN INC24 citations91
US6031527AFeb 29, 2000
Methods and systems for developing computer applications
SOFMAP FUTURE DESIGN INC17 citations84
US6011549AJan 4, 2000
Method and apparatus for smooth scrolling of text using window
SOFMAP FUTURE DESIGN INC15 citations73
US5974469AOct 26, 1999
System for managing communication between program modules
SOFMAP FUTURE DESIGN INC8 citations73
US5745785AApr 28, 1998
System for alternatively transferring data from external memory to memory device and from memory device to internal memory depending upon processing unit's operational
SOFMAP FUTURE DESIGN INC13 citations73
US5799181AAug 25, 1998
Bossless architecture and digital cell technology for computer programs
SOFMAP FUTURE DESIGN INC4 citations62
JAPAN STEEL WORKS LTD
4 patentsUS12485603B2Dec 2, 2025
Stretching machine and rail for stretching machine
JAPAN STEEL WORKS LTD0 citations59
US12544970B2Feb 10, 2026
Link mechanism, link device, and stretching machine
JAPAN STEEL WORKS LTD0 citations46
US12214542B2Feb 4, 2025
Link device and stretching machine
JAPAN STEEL WORKS LTD0 citations46
US12090688B2Sep 17, 2024
Stretching apparatus and parts replacement method of stretching apparatus
JAPAN STEEL WORKS LTD0 citations46
SONY CORP
3 patentsUS8041047B2Oct 18, 2011
Plug, sound inputting and outputting apparatus, and noise cancel system
SONY CORP7 citations82
US7553195B2Jun 30, 2009
Plug
SONY CORP16 citations82
US6169381B1Jan 2, 2001
Unit and method of driving with motor, and apparatus for recording and/or reproducing recording medium
SONY CORP16 citations81
DAINICHI KK
2 patentsNAKAJIMA ICHIRO
2 patentsKANEKA CORP
1 patentDREAM TECHNOLOGIES CORP
1 patentSOFMAP FUTURE DESIGN CO LTD
1 patentBRIDGESTONE CORP
1 patentTAKEYAMA TOMOAKI
1 patentNOMA TAKESHI
1 patentABE KENSAKU
1 patentSHOJI TAKUMA
1 patentShowing the top 50 of 55 patents by PatentIndex Score.