Inventor
TSUMURA KAZUHIRO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “TSUMURA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
9 patentsUS9472547B2Oct 18, 2016
Semiconductor device
SEIKO INSTR INC6 citations72
US8902645B2Dec 2, 2014
Semiconductor memory circuit
SEIKO INSTR INC2 citations62
US9806605B2Oct 31, 2017
Voltage divider circuit having at least two kinds of unit resistors
SEIKO INSTR INC1 citations51
US8963224B2Feb 24, 2015
Semiconductor device and method of manufacturing the same
SEIKO INSTR INC0 citations51
US8021951B2Sep 20, 2011
Formation of longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of base region
SEIKO INSTR INC0 citations51
US7902633B2Mar 8, 2011
Longitudinal bipolar transistor with base region in trenches having emitter and collector regions disposed along portions of side surfaces of the base
SEIKO INSTR INC0 citations51
US7826270B2Nov 2, 2010
Non-volatile semiconductor memory device and method of writing and reading the same
SEIKO INSTR INC0 citations41
US9252289B2Feb 2, 2016
Non-volatile semiconductor memory device
SEIKO INSTR INC0 citations40
US9053798B2Jun 9, 2015
Non-volatile memory circuit
SEIKO INSTR INC0 citations33
ABLIC INC
5 patentsUS12477761B2Nov 18, 2025
Bipolar transistor and semiconductor device
ABLIC INC0 citations62
US12433033B2Sep 30, 2025
ESD protection circuit and semiconductor device
ABLIC INC0 citations62
US10860046B2Dec 8, 2020
Reference voltage generation device
ABLIC INC1 citations62
US10353415B2Jul 16, 2019
Voltage regulator having an overheat detection circuit and test terminal
ABLIC INC1 citations62
US10777544B2Sep 15, 2020
Method of manufacturing a semiconductor device
ABLIC INC0 citations52
TSUMURA KAZUHIRO
4 patentsUS8294422B2Oct 23, 2012
Battery protection circuit device
TSUMURA KAZUHIRO7 citations81
US8274830B2Sep 25, 2012
Constant current read mode or constant current data retention mode nonvolatile memory device
TSUMURA KAZUHIRO2 citations60
US8669156B2Mar 11, 2014
Method of manufacturing semiconductor circuit device
TSUMURA KAZUHIRO0 citations39
US8259516B2Sep 4, 2012
Memory circuit including row and column selection for writing information
TSUMURA KAZUHIRO0 citations39
SII SEMICONDUCTOR CORP
4 patentsUS10096591B2Oct 9, 2018
Semiconductor device having an electrostatic protection element
SII SEMICONDUCTOR CORP0 citations52
US10014287B2Jul 3, 2018
Semiconductor device
SII SEMICONDUCTOR CORP0 citations51
US9761577B2Sep 12, 2017
Semiconductor device
SII SEMICONDUCTOR CORP0 citations51
US10068910B2Sep 4, 2018
Non-volatile semiconductor memory device
SII SEMICONDUCTOR CORP0 citations41