Inventor
KAWASAKI KAZUSHIGE
JP50 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
27 patentsUS6606334B1Aug 12, 2003
Semiconductor laser
MITSUBISHI ELECTRIC CORP34 citations92
US7456039B1Nov 25, 2008
Method for manufacturing semiconductor optical device
MITSUBISHI ELECTRIC CORP11 citations84
US6946684B2Sep 20, 2005
Optical semiconductor device with low reflectance coating
MITSUBISHI ELECTRIC CORP15 citations84
US6697406B2Feb 24, 2004
Semiconductor device and photonic semiconductor device applying the semiconductor device
MITSUBISHI ELECTRIC CORP11 citations68
US7981704B2Jul 19, 2011
Method for manufacturing semiconductor optical device
MITSUBISHI ELECTRIC CORP4 citations63
US6804282B2Oct 12, 2004
Semiconductor laser device
MITSUBISHI ELECTRIC CORP4 citations63
US7964424B2Jun 21, 2011
Method for manufacturing nitride semiconductor light-emitting element
MITSUBISHI ELECTRIC CORP2 citations62
US7751456B2Jul 6, 2010
Method for manufacturing semiconductor optical device
MITSUBISHI ELECTRIC CORP6 citations62
US7582908B2Sep 1, 2009
Nitride semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP3 citations62
US7289546B1Oct 30, 2007
Semiconductor laser having an improved stacked structure
MITSUBISHI ELECTRIC CORP2 citations61
US6907057B2Jun 14, 2005
Semiconductor optical device and semiconductor laser module using the semiconductor optical device
MITSUBISHI ELECTRIC CORP2 citations61
US7259406B2Aug 21, 2007
Semiconductor optical element
MITSUBISHI ELECTRIC CORP2 citations60
US9455550B2Sep 27, 2016
Distributed feedback laser diode
MITSUBISHI ELECTRIC CORP2 citations59
US10784648B2Sep 22, 2020
Semiconductor laser with waveguide flanked by conductive layers
MITSUBISHI ELECTRIC CORP0 citations52
US7901966B2Mar 8, 2011
Method for manufacturing nitride semiconductor device
MITSUBISHI ELECTRIC CORP0 citations52
US7842962B2Nov 30, 2010
Nitride semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP0 citations52
US7791097B2Sep 7, 2010
Nitride semiconductor device and manufacturing method of the same
MITSUBISHI ELECTRIC CORP0 citations52
US7714439B2May 11, 2010
Nitride semiconductor device and method of manufacturing the same
MITSUBISHI ELECTRIC CORP0 citations52
US7683398B2Mar 23, 2010
Nitride semiconductor device having a silicon-containing connection layer and manufacturing method thereof
MITSUBISHI ELECTRIC CORP0 citations52
US7378351B2May 27, 2008
Method of manufacturing nitride semiconductor device
MITSUBISHI ELECTRIC CORP0 citations52
US7215694B2May 8, 2007
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations52
US7897418B2Mar 1, 2011
Method for manufacturing semiconductor light emitting device
MITSUBISHI ELECTRIC CORP0 citations51
US9397472B2Jul 19, 2016
Semiconductor laser device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP0 citations42
US7691655B2Apr 6, 2010
Method of manufacturing semiconductor optical device
MITSUBISHI ELECTRIC CORP0 citations42
US7656920B2Feb 2, 2010
Semiconductor laser device
MITSUBISHI ELECTRIC CORP0 citations42
US6970633B2Nov 29, 2005
Semiconductor optical device
MITSUBISHI ELECTRIC CORP0 citations42
US7577173B2Aug 18, 2009
Semiconductor laser device having a low reflection film of stable reflectance
MITSUBISHI ELECTRIC CORP0 citations40
TOSHIBA MEMORY CORP
9 patentsUS10128223B2Nov 13, 2018
Semiconductor device and manufacturing method thereof
TOSHIBA MEMORY CORP8 citations84
US10892269B2Jan 12, 2021
Semiconductor memory device having a bonded circuit chip including a solid state drive controller connected to a control circuit
TOSHIBA MEMORY CORP6 citations83
US10497688B2Dec 3, 2019
Semiconductor device having stacked logic and memory chips
TOSHIBA MEMORY CORP5 citations73
US10811393B2Oct 20, 2020
Memory device
TOSHIBA MEMORY CORP3 citations72
US10510725B2Dec 17, 2019
Semiconductor device
TOSHIBA MEMORY CORP1 citations63
US10186487B2Jan 22, 2019
Semiconductor device
TOSHIBA MEMORY CORP0 citations52
US10777529B2Sep 15, 2020
Semiconductor device and method for manufacturing same
TOSHIBA MEMORY CORP0 citations42
US10734360B2Aug 4, 2020
Semiconductor device
TOSHIBA MEMORY CORP0 citations41
US10593649B2Mar 17, 2020
Semiconductor device
TOSHIBA MEMORY CORP0 citations41
KIOXIA CORP
6 patentsUS12419055B2Sep 16, 2025
Semiconductor memory device having a circuit chip bonded to a memory array chip and including a solid-state drive controller and a control circuit
KIOXIA CORP0 citations62
US11871576B2Jan 9, 2024
Semiconductor memory device including integrated control circuit and solid-state drive controller
KIOXIA CORP0 citations62
US11568901B2Jan 31, 2023
Semiconductor device
KIOXIA CORP0 citations62
US11270981B2Mar 8, 2022
Memory device
KIOXIA CORP0 citations62
US12489086B2Dec 2, 2025
Semiconductor device
KIOXIA CORP0 citations52
US12593717B2Mar 31, 2026
Semiconductor device and method for manufacturing semiconductor device
KIOXIA CORP0 citations49
IBM
4 patentsUS8373276B2Feb 12, 2013
Printed wiring board and method for manufacturing the same
IBM4 citations63
US6919635B2Jul 19, 2005
High density microvia substrate with high wireability
IBM4 citations63
US7687391B2Mar 30, 2010
Electrically optimized and structurally protected via structure for high speed signals
IBM5 citations61
US7911049B2Mar 22, 2011
Electrically optimized and structurally protected via structure for high speed signals
IBM0 citations50