Inventor
KUBOTA RYOSUKE
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KUBOTA RYOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
14 patentsUS9263527B2Feb 16, 2016
Silicon carbide semiconductor device and method of manufacturing same
SUMITOMO ELECTRIC INDUSTRIES10 citations83
US9786741B2Oct 10, 2017
Silicon carbide semiconductor device and method for manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES3 citations72
US9966249B2May 8, 2018
Silicon carbide semiconductor substrate and method for manufacturing same
SUMITOMO ELECTRIC INDUSTRIES3 citations71
US12107382B2Oct 1, 2024
Array device manufacturing method, manufacturing apparatus, and storage medium
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US11631958B2Apr 18, 2023
Method of manufacturing surface-emitting lasers, method of testing surface-emitting lasers, and surface-emitting-laser-testing apparatus
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US11527869B2Dec 13, 2022
Light-emitting module and manufacturing method thereof, and surface-emitting laser
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10340344B2Jul 2, 2019
Silicon carbide semiconductor device and method for manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10050109B2Aug 14, 2018
Silicon carbide semiconductor substrate, method for manufacturing silicon carbide semiconductor substrate, and method for manufacturing silicon carbide semiconductor device
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9905653B2Feb 27, 2018
Silicon carbide semiconductor device and method for manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US9887101B2Feb 6, 2018
Method for manufacturing semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US9691608B2Jun 27, 2017
Silicon carbide substrate, silicon carbide semiconductor device, and methods for manufacturing silicon carbide substrate and silicon carbide semiconductor device
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9831080B2Nov 28, 2017
Method for manufacturing semiconductor device including a heat treatment step
SUMITOMO ELECTRIC INDUSTRIES1 citations46
US9806167B2Oct 31, 2017
Method for manufacturing silicon carbide semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US10416227B2Sep 17, 2019
Method of fabricating surface-emitting laser
SUMITOMO ELECTRIC INDUSTRIES0 citations40
FUJIFILM BUSINESS INNOVATION CORP
6 patentsUS12498655B2Dec 16, 2025
Film, member, transfer device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12436484B2Oct 7, 2025
Intermediate transfer belt, transfer device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11774885B2Oct 3, 2023
Polymer material molded product, fixing member, method for producing fixing member, fixing device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12498660B2Dec 16, 2025
Fixing device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12181822B2Dec 31, 2024
Tubular fixing member, fixing device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12032313B2Jul 9, 2024
Tubular body for fixing member, fixing device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations61