Inventor
NAKAGAWA SHIGERU
JP49 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
17 patentsUS9484482B2Nov 1, 2016
Efficient optical (light) coupling
IBM41 citations93
US7501294B1Mar 10, 2009
VCSEL for high speed lower power optical link
IBM25 citations93
US9341797B2May 17, 2016
Optical module and method for manufacturing optical module
IBM17 citations92
US9523816B2Dec 20, 2016
Optical device and manufacturing method therefor
IBM6 citations84
US9429711B2Aug 30, 2016
Optical device, optical connector assembly, and optical connecting method
IBM10 citations84
US7923275B2Apr 12, 2011
Surface emitting laser and manufacturing method thereof
IBM7 citations84
US10366779B2Jul 30, 2019
Scheme of new materials
IBM14 citations83
US11934938B2Mar 19, 2024
Neural network for chemical compounds
IBM3 citations75
US10915808B2Feb 9, 2021
Neural network for chemical compounds
IBM3 citations73
US9977191B2May 22, 2018
Optical connecting method
IBM2 citations73
US9952392B2Apr 24, 2018
Optical module and method for manufacturing optical module
IBM2 citations73
US9720190B2Aug 1, 2017
Optical module and method for manufacturing optical module
IBM2 citations73
US9389366B2Jul 12, 2016
Optical modules for wavelength multiplexing
IBM4 citations73
US10025040B2Jul 17, 2018
Connector for multilayered optical waveguide
IBM0 citations52
US9927576B2Mar 27, 2018
Optical modules for wavelength multiplexing
IBM0 citations52
US9304255B2Apr 5, 2016
Optical device and manufacturing method therefor
IBM0 citations52
US9274288B2Mar 1, 2016
Connector for multilayered optical waveguide
IBM0 citations52
MAZDA MOTOR
7 patentsUS9702316B2Jul 11, 2017
Spark-ignition direct injection engine
MAZDA MOTOR8 citations82
US10876488B2Dec 29, 2020
Failure diagnosis device for in-cylinder pressure sensor
MAZDA MOTOR2 citations71
US10815917B2Oct 27, 2020
Failure diagnosis device for in-cylinder pressure sensor
MAZDA MOTOR2 citations71
US10240491B2Mar 26, 2019
Control system of engine
MAZDA MOTOR1 citations56
US10934962B2Mar 2, 2021
Abnormality diagnosis device for in-cylinder pressure sensor
MAZDA MOTOR0 citations50
US10767592B2Sep 8, 2020
Failure diagnosis device for in-cylinder pressure sensor
MAZDA MOTOR0 citations40
US10859028B2Dec 8, 2020
Engine fuel injection control device
MAZDA MOTOR0 citations33
UNIV CALIFORNIA
4 patentsUS6714573B2Mar 30, 2004
Contact scheme for intracavity-contacted vertical-cavity surface-emitting laser
UNIV CALIFORNIA14 citations93
US6687281B2Feb 3, 2004
Double intracavity contacted long-wavelength VCSELs
UNIV CALIFORNIA23 citations93
US6810064B1Oct 26, 2004
Heat spreading layers for vertical cavity surface emitting lasers
UNIV CALIFORNIA18 citations84
US6841407B2Jan 11, 2005
Method for aperturing vertical-cavity surface-emitting lasers (VCSELs)
UNIV CALIFORNIA7 citations73
AGILENT TECHNOLOGIES INC
3 patentsUS6194743B1Feb 27, 2001
Nitride semiconductor light emitting device having a silver p-contact
AGILENT TECHNOLOGIES INC201 citations99
US6486984B1Nov 26, 2002
Wavelength monitor using hybrid approach
AGILENT TECHNOLOGIES INC52 citations93
US6239490B1May 29, 2001
P-contact for a Group III-nitride semiconductor device and method of making same
AGILENT TECHNOLOGIES INC44 citations90
MARUI IND
3 patentsHEWLETT PACKARD CO
2 patentsNIPPON KOKAN KK
2 patentsNAKAGAWA SHIGERU
2 patentsUS8542963B2Sep 24, 2013
Method for manufacturing optical coupling element, optical transmission substrate, optical coupling component, coupling method, and optical interconnect system
NAKAGAWA SHIGERU12 citations82
US8442362B2May 14, 2013
Method for manufacturing optical coupling element, optical transmission substrate, optical coupling component, coupling method, and optical interconnect system
NAKAGAWA SHIGERU3 citations61