Inventor

TOSAKA YUJI

JP5 patents

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

HITACHI CHEMICAL CO LTD

4 patents

US10933562B2Mar 2, 2021

Method for producing FRP precursor and device for producing same

HITACHI CHEMICAL CO LTD0 citations60

US10856423B2Dec 1, 2020

Prepreg, printed circuit board, semiconductor package, and method for producing printed circuit board

HITACHI CHEMICAL CO LTD0 citations49

US11497117B2Nov 8, 2022

Metal-clad laminate, printed wiring board and semiconductor package

HITACHI CHEMICAL CO LTD0 citations47

US11040517B2Jun 22, 2021

Printed wiring board and semiconductor package

HITACHI CHEMICAL CO LTD0 citations45

RESONAC CORP

1 patent

US12466946B2Nov 11, 2025

Method for producing FRP precursor

RESONAC CORP0 citations46