Inventor
TSUJI YUKIHIRO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “TSUJI YUKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
22 patentsUS9825430B2Nov 21, 2017
Method for producing quantum cascade laser and quantum cascade laser
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9300115B2Mar 29, 2016
Quantum cascade laser
SUMITOMO ELECTRIC INDUSTRIES3 citations73
US10916917B2Feb 9, 2021
Method of manufacturing surface emitting laser
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US8357555B2Jan 22, 2013
Method for producing semiconductor optical device
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US7977129B2Jul 12, 2011
Method for manufacturing semiconductor optical device
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US12402341B2Aug 26, 2025
Method for manufacturing semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12328888B2Jun 10, 2025
Method of manufacturing semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11522343B2Dec 6, 2022
Surface-emitting laser and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US10998697B2May 4, 2021
Method of manufacturing surface emitting laser
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US9735311B2Aug 15, 2017
Method for producing semiconductor light receiving device
SUMITOMO ELECTRIC INDUSTRIES1 citations52
US9548330B2Jan 17, 2017
Method for producing semiconductor light receiving device and semiconductor light receiving device
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US7833882B2Nov 16, 2010
Method of producing a semiconductor device by forming an oxide film on a resin layer
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US9525087B2Dec 20, 2016
Light receiving device and method for manufacturing light receiving device
SUMITOMO ELECTRIC INDUSTRIES0 citations42
US10554010B2Feb 4, 2020
Method of producing semiconductor laser device and method of producing optical directional coupler
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10476237B2Nov 12, 2019
Quantum cascade laser
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10234628B2Mar 19, 2019
Method for producing semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10224697B2Mar 5, 2019
Integrated quantum cascade laser, semiconductor optical apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10186832B2Jan 22, 2019
Method for fabricating surface emitting laser
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10170890B2Jan 1, 2019
Method of fabricating semiconductor optical device and surface-emitting semiconductor laser
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10128633B2Nov 13, 2018
Surface emitting semiconductor laser
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9941666B2Apr 10, 2018
Method for producing quantum cascade laser and quantum cascade laser
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US9531162B2Dec 27, 2016
Method for producing semiconductor optical device
SUMITOMO ELECTRIC INDUSTRIES0 citations41
TSUJI YUKIHIRO
9 patentsUS8486809B2Jul 16, 2013
Method for forming laminated resin film and method for producing semiconductor device
TSUJI YUKIHIRO6 citations72
US8827685B2Sep 9, 2014
Nano-imprint mold
TSUJI YUKIHIRO2 citations62
US8636498B2Jan 28, 2014
Method for manufacturing nano-imprint mold, method for forming resin pattern by nano-imprint technique, and nano-imprint mold
TSUJI YUKIHIRO3 citations62
US8633041B2Jan 21, 2014
Method for manufacturing quantum cascade laser
TSUJI YUKIHIRO2 citations62
US8153530B2Apr 10, 2012
Method of manufacturing a semiconductor device
TSUJI YUKIHIRO2 citations62
US8652862B2Feb 18, 2014
Method for etching insulating film and method for manufacturing semiconductor optical device
TSUJI YUKIHIRO1 citations51
US8956902B2Feb 17, 2015
Process for manufacturing buried hetero-structure laser diodes
TSUJI YUKIHIRO0 citations41
US8501511B2Aug 6, 2013
Method of manufacturing laser diode
TSUJI YUKIHIRO0 citations41
US8389395B2Mar 5, 2013
Method for manufacturing semiconductor optical device
TSUJI YUKIHIRO0 citations41