Inventor
KAWASAKI MASASHI
JP48 patents
⚠️ This page may combine multiple inventors who share the name “KAWASAKI MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIKEN
9 patentsUS10141068B2Nov 27, 2018
Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication device
RIKEN3 citations72
US9859017B2Jan 2, 2018
Magnetic element, skyrmion memory, skyrmion memory-device, solid-state electronic device, data-storage device, data processing and communication device
RIKEN2 citations72
US9748000B2Aug 29, 2017
Magnetic element, skyrmion memory, solid-state electronic device data recording apparatus, data processing apparatus, and communication apparatus
RIKEN4 citations72
US12362085B2Jul 15, 2025
Inductor element and apparatus including same
RIKEN0 citations54
US11056597B2Jul 6, 2021
Photoelectric conversion device, photosensor, power generation device, and photoelectric conversion method
RIKEN0 citations51
US10003010B2Jun 19, 2018
Magnetic element, skyrmion memory, skyrmion memory device, skyrmion-memory embedded solid-state electronic device, data storage apparatus, data processing and communication apparatus
RIKEN0 citations51
US10217931B2Feb 26, 2019
Magnetic element, skyrmion memory, solid-state electronic device, data-storage device, data processing and communication device
RIKEN0 citations49
US10468586B2Nov 5, 2019
Electronic device, topological insulator, fabrication method of topological insulator and memory device
RIKEN0 citations44
US9824712B2Nov 21, 2017
Magnetic storage media and data storage device
RIKEN0 citations40
JAPAN SCIENCE & TECH CORP
6 patentsUS6727522B1Apr 27, 2004
Transistor and semiconductor device
JAPAN SCIENCE & TECH CORP4,353 citations99
US6344084B1Feb 5, 2002
Combinatorial molecular layer epitaxy device
JAPAN SCIENCE & TECH CORP526 citations99
US6878962B1Apr 12, 2005
Semiconductor device
JAPAN SCIENCE & TECH CORP98 citations97
US6057561AMay 2, 2000
Optical semiconductor element
JAPAN SCIENCE & TECH CORP168 citations97
US6459763B1Oct 1, 2002
Combinatorial X-ray diffractor
JAPAN SCIENCE & TECH CORP37 citations93
US6677581B1Jan 13, 2004
High energy electron diffraction apparatus
JAPAN SCIENCE & TECH CORP4 citations63
JAPAN SCIENCE & TECH AGENCY
5 patentsUS7064346B2Jun 20, 2006
Transistor and semiconductor device
JAPAN SCIENCE & TECH AGENCY4,229 citations99
US7084624B2Aug 1, 2006
Magnetic sensor
JAPAN SCIENCE & TECH AGENCY9 citations74
US6812483B2Nov 2, 2004
Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bands
JAPAN SCIENCE & TECH AGENCY8 citations72
US6929695B2Aug 16, 2005
Method for preparing single crystal oxide thin film
JAPAN SCIENCE & TECH AGENCY4 citations63
US7150788B2Dec 19, 2006
Method for manufacturing in-plane lattice constant adjusting substrate and in-plane lattice constant adjusting substrate
JAPAN SCIENCE & TECH AGENCY0 citations39
NAT INST OF ADVANCED IND SCIEN
4 patentsUS7580276B2Aug 25, 2009
Nonvolatile memory element
NAT INST OF ADVANCED IND SCIEN19 citations92
US7932505B2Apr 26, 2011
Perovskite transition metal oxide nonvolatile memory element
NAT INST OF ADVANCED IND SCIEN4 citations62
US7485937B2Feb 3, 2009
Tunnel junction device
NAT INST OF ADVANCED IND SCIEN4 citations62
US7633723B2Dec 15, 2009
Tunnel junction device having oxide ferromagnetic electroconductive electrodes and three-layer structure tunneling film
NAT INST OF ADVANCED IND SCIEN0 citations52