P

Inventor

SEKIYA TAKAYUKI

JP44 patents
⚠️ This page may combine multiple inventors who share the name “SEKIYA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK INSULATORS LTD

35 patents
US6075269AJun 13, 2000

Semiconductor device and process for manufacturing the same

NGK INSULATORS LTD41 citations92
US4933629AJun 12, 1990

Method and apparatus for optically measuring electric and magnetic quantities having an optical sensing head exhibiting the Pockel's and Faraday effects

NGK INSULATORS LTD36 citations92
US9952072B2Apr 24, 2018

Gas sensor with flow channel formed by inner protective cover

NGK INSULATORS LTD2 citations71
US9804118B2Oct 31, 2017

Gas sensor

NGK INSULATORS LTD3 citations71
US11959877B2Apr 16, 2024

Gas sensor

NGK INSULATORS LTD1 citations62
US7482786B2Jan 27, 2009

Electric discharger using semiconductor switch

NGK INSULATORS LTD2 citations62
US7332749B2Feb 19, 2008

Junction-gate type static induction thyristor and high-voltage pulse generator using such junction-gate type static induction thyristor

NGK INSULATORS LTD2 citations62
US12140579B2Nov 12, 2024

Gas sensor and gas sensor operation control method

NGK INSULATORS LTD0 citations61
US11531014B2Dec 20, 2022

Gas sensor and gas sensor operation control method

NGK INSULATORS LTD1 citations61
US9213014B2Dec 15, 2015

Gas sensor

NGK INSULATORS LTD3 citations61
US7443110B2Oct 28, 2008

Discharge lamp energizing circuit and method of energizing discharge lamp

NGK INSULATORS LTD3 citations57
US12416601B2Sep 16, 2025

Gas sensor

NGK INSULATORS LTD0 citations52
US12265054B2Apr 1, 2025

Sensor element and gas detection method using sensor element

NGK INSULATORS LTD0 citations52
US11940406B2Mar 26, 2024

Sensor element and gas sensor

NGK INSULATORS LTD0 citations52
US11899002B2Feb 13, 2024

Gas sensor and method for controlling operation of gas sensor

NGK INSULATORS LTD0 citations52
US11774398B2Oct 3, 2023

Sensor element and gas sensor

NGK INSULATORS LTD0 citations52
US11067530B2Jul 20, 2021

Method of operation of a gas sensor

NGK INSULATORS LTD0 citations52
US11067531B2Jul 20, 2021

Method of operation of a gas sensor

NGK INSULATORS LTD0 citations52
US10969363B2Apr 6, 2021

Gas sensor

NGK INSULATORS LTD0 citations52
US10908118B2Feb 2, 2021

Gas sensor

NGK INSULATORS LTD0 citations52
US11808730B2Nov 7, 2023

Gas sensor element

NGK INSULATORS LTD0 citations51
US11231391B2Jan 25, 2022

Gas sensor

NGK INSULATORS LTD0 citations51
US10955376B2Mar 23, 2021

Gas sensor

NGK INSULATORS LTD0 citations51
US10914706B2Feb 9, 2021

Gas sensor

NGK INSULATORS LTD0 citations51
US12517085B2Jan 6, 2026

Gas sensor and method of controlling gas sensor

NGK INSULATORS LTD0 citations50
US12399146B2Aug 26, 2025

Sensor element of NOX sensor and method for manufacturing sensor element of NOX sensor

NGK INSULATORS LTD0 citations50
US12222314B2Feb 11, 2025

Sensor element of NOx sensor

NGK INSULATORS LTD0 citations50
US12222313B2Feb 11, 2025

Sensor element of gas sensor

NGK INSULATORS LTD0 citations50
US9915637B2Mar 13, 2018

Gas sensor

NGK INSULATORS LTD1 citations50
US12560573B2Feb 24, 2026

Gas sensor and control method of gas sensor

NGK INSULATORS LTD0 citations45
US7649284B2Jan 19, 2010

High-voltage pulse generating circuit

NGK INSULATORS LTD0 citations42
US10788444B2Sep 29, 2020

Gas sensor

NGK INSULATORS LTD0 citations41
US10215725B2Feb 26, 2019

Sensor element and gas sensor

NGK INSULATORS LTD0 citations41
US9683959B2Jun 20, 2017

Method for setting temperature rise profile of sensor element of gas sensor

NGK INSULATORS LTD0 citations41
US10113988B2Oct 30, 2018

Gas sensor

NGK INSULATORS LTD0 citations39

HONDA MOTOR CO LTD

5 patents

SEKIYA TAKAYUKI

4 patents