Inventor
SUGAWARA MITSURU
JP50 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QD LASER INC
13 patentsUS10088682B2Oct 2, 2018
Image projection device and projection device
QD LASER INC2 citations73
US10409146B2Sep 10, 2019
Image projection system, image projection device, image projection method, image projection program, and server device
QD LASER INC5 citations72
US10444519B2Oct 15, 2019
Image projection device
QD LASER INC1 citations62
US11019995B2Jun 1, 2021
Retinal scanning type eye examination device, retinal scanning type eye examination system, eyewear provision system, and retinal scanning type eyewear
QD LASER INC0 citations57
US11586038B2Feb 21, 2023
Image projection device
QD LASER INC0 citations52
US10634904B2Apr 28, 2020
Image projection device
QD LASER INC0 citations52
US10627631B2Apr 21, 2020
Image projection device and projection device
QD LASER INC0 citations52
US11717157B2Aug 8, 2023
Visual sense examination device
QD LASER INC0 citations51
US11445903B2Sep 20, 2022
Vision test device
QD LASER INC0 citations51
US11129527B2Sep 28, 2021
Visual field/visual acuity examination system, visual field/visual acuity examination device, visual field/visual acuity examination method, visual field/visual acuity examination program, and server device
QD LASER INC0 citations51
US9865771B2Jan 9, 2018
Semiconductor light-emitting element
QD LASER INC0 citations50
US10761329B2Sep 1, 2020
Image projection device
QD LASER INC0 citations42
US10659743B2May 19, 2020
Image projection device
QD LASER INC0 citations39
TOSHIBA KK
12 patentsUS6718138B1Apr 6, 2004
Digital-signal quality monitoring method and communications apparatus using this method
TOSHIBA KK71 citations98
US6081355AJun 27, 2000
Multi-wavelength light source
TOSHIBA KK61 citations96
US6230195B1May 8, 2001
Communication system, user apparatus, center apparatus, and terminal interface unit for use in communication system
TOSHIBA KK25 citations92
US6057951AMay 2, 2000
Optical receiving circuit
TOSHIBA KK35 citations92
US4997252AMar 5, 1991
Optical fiber communication connection device
TOSHIBA KK30 citations91
US4989943AFeb 5, 1991
Optical fiber alignment device
TOSHIBA KK24 citations90
US7308210B2Dec 11, 2007
Optical modulating device, optical transmitting apparatus using the same, method of controlling optical modulating device, and control program recording medium
TOSHIBA KK22 citations89
US5026134AJun 25, 1991
Optical communication apparatus with base for fixing elements
TOSHIBA KK21 citations81
US10153803B2Dec 11, 2018
Receiving circuit, wireless communication module, and wireless communication device
TOSHIBA KK6 citations73
US6983108B2Jan 3, 2006
Optical switching apparatus and optical transmission apparatus
TOSHIBA KK8 citations70
US6895028B2May 17, 2005
Light-emitting element controller, optical transmitting apparatus, and method and computer program for determining driving current
TOSHIBA KK6 citations63
US10778221B2Sep 15, 2020
High-frequency integrated circuit
TOSHIBA KK0 citations40
FUJITSU LTD
8 patentsUS7015498B2Mar 21, 2006
Quantum optical semiconductor device
FUJITSU LTD26 citations91
US5136602AAug 4, 1992
Optical semiconductor device
FUJITSU LTD19 citations82
US6590701B2Jul 8, 2003
Optical signal processing method and apparatus
FUJITSU LTD8 citations74
US5113283AMay 12, 1992
Optical intensity modulator
FUJITSU LTD9 citations74
US5001521AMar 19, 1991
Semiconductor substrate including strained layer superlattice structure layer
FUJITSU LTD7 citations74
US6639254B2Oct 28, 2003
Epitaxial layer capable of exceeding critical thickness
FUJITSU LTD4 citations58
US7892871B2Feb 22, 2011
Method of manufacturing semiconductor device with quantum dots formed by self-assembled growth
FUJITSU LTD0 citations51
US7081983B2Jul 25, 2006
Wavelength conversion device
FUJITSU LTD0 citations42
ZEON CORP
6 patentsUS6884365B1Apr 26, 2005
Gas for plasma reaction and method for production thereof
ZEON CORP14 citations83
US11254802B2Feb 22, 2022
Diarylamine-based compound, anti-aging agent, and polymer composition
ZEON CORP2 citations71
US7449415B2Nov 11, 2008
Gas for plasma reaction and process for producing thereof
ZEON CORP2 citations62
US11643522B2May 9, 2023
Polymer composition containing diarylamine-based compound
ZEON CORP0 citations60
US7652179B2Jan 26, 2010
Gas for plasma reaction, process for producing the same, and use thereof
ZEON CORP0 citations52
US7341764B2Mar 11, 2008
Gas for plasma reaction, process for producing the same, and use
ZEON CORP0 citations52