Inventor
IKUTA TETSUYA
JP40 patents
⚠️ This page may combine multiple inventors who share the name “IKUTA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOWA ELECTRONICS MATERIALS CO LTD
13 patentsUS7476338B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD33 citations92
US7812516B2Oct 12, 2010
Light-emitting device and manufacturing method thereof
DOWA ELECTRONICS MATERIALS CO LTD11 citations84
US11205739B2Dec 21, 2021
Semiconductor light-emitting device and method of manufacturing the same
DOWA ELECTRONICS MATERIALS CO LTD4 citations71
US7803286B2Sep 28, 2010
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD2 citations63
US7476336B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light emitting device using the phosphor
DOWA ELECTRONICS MATERIALS CO LTD3 citations63
US11996496B2May 28, 2024
Semiconductor light-emitting device
DOWA ELECTRONICS MATERIALS CO LTD0 citations60
US11637220B1Apr 25, 2023
Semiconductor light-emitting element
DOWA ELECTRONICS MATERIALS CO LTD0 citations60
US11508875B2Nov 22, 2022
Semiconductor light-emitting device and method of manufacturing the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations60
US7956536B2Jun 7, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7878876B2Feb 1, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US11515448B2Nov 29, 2022
Semiconductor light-emitting element and method of manufacturing the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations50
US11417793B2Aug 16, 2022
Method of manufacturing semiconductor optical device and semiconductor optical device
DOWA ELECTRONICS MATERIALS CO LTD0 citations50
US11894502B2Feb 6, 2024
Method of manufacturing semiconductor optical device and intermediate article of semiconductor optical device
DOWA ELECTRONICS MATERIALS CO LTD0 citations46
IKUTA TETSUYA
10 patentsUS8426893B2Apr 23, 2013
Epitaxial substrate for electronic device and method of producing the same
IKUTA TETSUYA10 citations83
US9006865B2Apr 14, 2015
Epitaxial growth substrate, semiconductor device, and epitaxial growth method
IKUTA TETSUYA15 citations82
US8847203B2Sep 30, 2014
Group III nitride epitaxial laminate substrate
IKUTA TETSUYA7 citations82
US10727303B2Jul 28, 2020
Group III nitride epitaxial substrate and method for manufacturing the same
IKUTA TETSUYA4 citations73
US8410472B2Apr 2, 2013
Epitaxial substrate for electronic device and method of producing the same
IKUTA TETSUYA6 citations71
US8124440B2Feb 28, 2012
Solid-state imaging device and method for making the same, and manufacturing substrate for solid-state imaging device
IKUTA TETSUYA3 citations62
US10388517B2Aug 20, 2019
Epitaxial substrate for electronic device and method of producing the same
IKUTA TETSUYA1 citations61
US8633556B2Jan 21, 2014
Solid-state imaging device and method for making the same, and manufacturing substrate for solid-state imaging device
IKUTA TETSUYA0 citations52
US8710489B2Apr 29, 2014
Epitaxial substrate for electronic device, in which current flows in lateral direction and method of producing the same
IKUTA TETSUYA0 citations51
US8946863B2Feb 3, 2015
Epitaxial substrate for electronic device comprising a high resistance single crystal substrate on a low resistance single crystal substrate, and method of manufacturing
IKUTA TETSUYA0 citations40
TOYOTA MOTOR CO LTD
5 patentsUS12252069B2Mar 18, 2025
Light distribution control apparatus that irradiates different regions with a different illuminances
TOYOTA MOTOR CO LTD0 citations52
US11772544B2Oct 3, 2023
Light distribution control device having diffusion controller that selectively irradiates areas
TOYOTA MOTOR CO LTD0 citations52
US11305762B2Apr 19, 2022
Driving assistance apparatus
TOYOTA MOTOR CO LTD0 citations51
US12466308B2Nov 11, 2025
Vehicle headlight system, display control method for vehicle headlight system, and non-transitory storage medium
TOYOTA MOTOR CO LTD0 citations47
US9783195B2Oct 10, 2017
Control apparatus for vehicle
TOYOTA MOTOR CO LTD0 citations35
ULVAC CORP
4 patentsUS5244501ASep 14, 1993
Apparatus for chemical vapor deposition
ULVAC CORP65 citations94
US4924807AMay 15, 1990
Apparatus for chemical vapor deposition
ULVAC CORP62 citations94
US5851589ADec 22, 1998
Method for thermal chemical vapor deposition
ULVAC CORP41 citations92
US4800105AJan 24, 1989
Method of forming a thin film by chemical vapor deposition
ULVAC CORP47 citations92
MARUYAMA TSUKASA
3 patentsUS8253326B2Aug 28, 2012
Light-emitting device and manufacturing method thereof
MARUYAMA TSUKASA5 citations73
US8469760B2Jun 25, 2013
Light emitting device and method for producing same
MARUYAMA TSUKASA3 citations62
US8164254B2Apr 24, 2012
Light-emitting device and manufacturing method thereof
MARUYAMA TSUKASA2 citations62