P

Inventor

MATSUNAGA YUICHI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

4 patents
US10377659B2Aug 13, 2019

Optical fiber base material manufacturing apparatus

SHINETSU CHEMICAL CO3 citations70
US11518704B2Dec 6, 2022

Fabrication method for porous glass base material for optical fiber

SHINETSU CHEMICAL CO0 citations49
US9758422B2Sep 12, 2017

Optical fiber base material manufacturing apparatus

SHINETSU CHEMICAL CO0 citations49
US9731993B2Aug 15, 2017

Method for producing porous glass base material

SHINETSU CHEMICAL CO0 citations39

NGK SPARK PLUG CO

3 patents
US9837798B1Dec 5, 2017

Spark plug

NGK SPARK PLUG CO0 citations50
US8878426B2Nov 4, 2014

Ignition plug

NGK SPARK PLUG CO1 citations50
US9525270B2Dec 20, 2016

Spark plug

NGK SPARK PLUG CO0 citations39

SAKAKURA YASUSHI

2 patents
US9093823B2Jul 28, 2015

Spark plug and method of manufacturing spark plug

SAKAKURA YASUSHI11 citations80
US8981633B2Mar 17, 2015

Spark plug and production method therefor

SAKAKURA YASUSHI0 citations38