Inventor
UEMURA TOMOKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “UEMURA TOMOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
10 patentsUS6320296B1Nov 20, 2001
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES31 citations92
US6210780B1Apr 3, 2001
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES17 citations92
US6805808B2Oct 19, 2004
Method for separating chips from diamond wafer
SUMITOMO ELECTRIC INDUSTRIES44 citations88
US6448688B2Sep 10, 2002
Hard carbon film and surface-acoustic-wave substrate
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US6356006B1Mar 12, 2002
Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES5 citations74
US6416865B1Jul 9, 2002
Hard carbon film and surface acoustic-wave substrate
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US7432186B2Oct 7, 2008
Method of surface treating substrates and method of manufacturing III-V compound semiconductors
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US6661152B2Dec 9, 2003
Diamond substrate for surface acoustic wave device, and surface acoustic wave device
SUMITOMO ELECTRIC INDUSTRIES4 citations62
US7943964B2May 17, 2011
AlxGayIn1−x−yN crystal substrate, semiconductor device, and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US7387989B2Jun 17, 2008
AlxGayInl−x−yN substrate, cleaning method of AlxGayInl−x−yN substrate, AlN substrate, and cleaning method of AlN substrate
SUMITOMO ELECTRIC INDUSTRIES0 citations42
KOBE STEEL LTD
5 patentsUS6717009B2Apr 6, 2004
Method for making high-purity naphthalenedicarboxylic acid
KOBE STEEL LTD5 citations62
US6525235B2Feb 25, 2003
Method for manufacturing 2,6-dimethylnaphthalene
KOBE STEEL LTD4 citations62
US10571193B2Feb 25, 2020
Reduced iron production method and device
KOBE STEEL LTD1 citations56
US11549155B2Jan 10, 2023
Reduced iron production method and production apparatus
KOBE STEEL LTD0 citations51
US11428468B2Aug 30, 2022
Rotary hearth furnace, and method for producing reduced iron using rotary hearth furnace
KOBE STEEL LTD0 citations51
OKAHISA TAKUJI
2 patentsUS8698282B2Apr 15, 2014
Group III nitride semiconductor crystal substrate and semiconductor device
OKAHISA TAKUJI0 citations49
US8845992B2Sep 30, 2014
III-nitride single-crystal ingot, III-nitride single-crystal substrate, method of manufacturing III-nitride single-crystal ingot, and method of manufacturing III-nitride single-crystal substrate
OKAHISA TAKUJI0 citations39