Inventor

YOKOYAMA KOTA

JP9 patents

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

OSAKA GAS CO LTD

3 patents

US10710019B2Jul 14, 2020

Pressure swing adsorption type of gas production device

OSAKA GAS CO LTD3 citations71

US8679205B2Mar 25, 2014

Method and apparatus for manufacturing hydrogen-containing gas

OSAKA GAS CO LTD0 citations48

US8361433B2Jan 29, 2013

Method and apparatus for manufacturing hydrogen-containing gas

OSAKA GAS CO LTD0 citations48

OKADA OSAMU

2 patents

US9162888B2Oct 20, 2015

Reformed gas production method and reformed gas production apparatus

OKADA OSAMU3 citations61

US8486167B2Jul 16, 2013

Reformed gas production method and reformed gas production apparatus

OKADA OSAMU3 citations61

NGK SPARK PLUG CO

2 patents

US10277012B2Apr 30, 2019

Spark plug including a magnetic substance and a conductor disposed thereon

NGK SPARK PLUG CO0 citations40

US10270228B2Apr 23, 2019

Spark plug

NGK SPARK PLUG CO0 citations40

NITERRA CO LTD

1 patent

US12453532B2Oct 28, 2025

Ultrasonic wave generation device

NITERRA CO LTD0 citations48

YOKOYAMA KOTA

1 patent

US8945422B2Feb 3, 2015

Method of operating ruthenium catalyst reactor

YOKOYAMA KOTA0 citations31