Inventor
OGASAWARA TAKAYUKI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “OGASAWARA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
14 patentsUS5271821ADec 21, 1993
Oxygen sensor and method of producing the same
NGK INSULATORS LTD56 citations96
US4638683AJan 27, 1987
Camshaft for engine
NGK INSULATORS LTD37 citations93
US5303584AApr 19, 1994
Intake air flow rate measuring apparatus for internal combustion engine, having water-absorptive porous protective member
NGK INSULATORS LTD49 citations92
US4283210AAug 11, 1981
Ceramic honeycomb filter and a method of producing the same
NGK INSULATORS LTD51 citations92
US4681074AJul 21, 1987
Structure of divided combustion chamber for internal combustion engine
NGK INSULATORS LTD22 citations82
US4616611AOct 14, 1986
Precombustion chamber construction of internal combustion engine
NGK INSULATORS LTD25 citations82
US4651692AMar 24, 1987
Structure of divided combustion chamber for diesel engine
NGK INSULATORS LTD19 citations80
US4741253AMay 3, 1988
Piston for internal combustion engines
NGK INSULATORS LTD17 citations74
US4662331AMay 5, 1987
Precombustion chamber construction of internal combustion engine
NGK INSULATORS LTD18 citations74
US4232185ANov 4, 1980
Electrical insulator with semiconductive glaze
NGK INSULATORS LTD8 citations74
US5252943AOct 12, 1993
Resistor element whose electrically resistive layer has extension into openings in cylindrical ceramic support
NGK INSULATORS LTD6 citations58
US5204655AApr 20, 1993
Resistor element with a planar ceramic substrate covered with a resistive metallic film and having apertures for lead wire connection
NGK INSULATORS LTD4 citations54
US4740399AApr 26, 1988
Metal-ceramic composite bodies
NGK INSULATORS LTD0 citations51
US4809654AMar 7, 1989
Ceramic precombustion chamber construction of internal combustion engine
NGK INSULATORS LTD0 citations38
NIPPON TELEGRAPH & TELEPHONE
14 patentsUS10918302B2Feb 16, 2021
Biological signal processing method and biological signal processing apparatus
NIPPON TELEGRAPH & TELEPHONE1 citations61
US10881315B2Jan 5, 2021
Biological signal measurement system, biological information measurement apparatus, and biological information extraction algorithm changing method
NIPPON TELEGRAPH & TELEPHONE1 citations60
US12225436B2Feb 11, 2025
Sensor system, wireless cooperative receiving system, and wireless cooperative receiving method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12178570B2Dec 31, 2024
Monitoring system, monitoring method, and monitoring program
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12096333B2Sep 17, 2024
Data analysis system and data analysis method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US12023140B2Jul 2, 2024
Biological information analysis device, biological information analysis method, and biological information analysis system
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11659367B2May 23, 2023
Sensor system, wireless cooperative receiving system, and wireless cooperative receiving method
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11324435B2May 10, 2022
Heartbeat detection method and heartbeat detection device
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11076793B2Aug 3, 2021
Respiration estimation method and apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations51
US10945623B2Mar 16, 2021
Heartbeat detection method and heartbeat detection device
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11406309B2Aug 9, 2022
Heartbeat rate calculation device and method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11625603B2Apr 11, 2023
Learning-type signal separation method and learning-type signal separation device
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11449732B2Sep 20, 2022
Time-series-data feature extraction device, time-series-data feature extraction method and time-series-data feature extraction program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11234613B2Feb 1, 2022
Respiration estimation method and apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations47
HARISON TOSHIBA LIGHTING CORP
4 patentsUS6850728B2Feb 1, 2005
Induction heating roller apparatus, fixing apparatus and image formation apparatus
HARISON TOSHIBA LIGHTING CORP19 citations84
US6933479B2Aug 23, 2005
Induction heating roller apparatus and image formation apparatus
HARISON TOSHIBA LIGHTING CORP13 citations83
US6818871B2Nov 16, 2004
Induction heating roller unit, fixing device and image forming apparatus
HARISON TOSHIBA LIGHTING CORP4 citations62
US6861626B2Mar 1, 2005
Induction heating roller device for use in image forming apparatus
HARISON TOSHIBA LIGHTING CORP5 citations61