Inventor

YAMADA YOUZOU

JP2 patents

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

PIONEER ELECTRONIC CORP

1 patent

US4424542AJan 3, 1984

Magnetic head and method of producing same

PIONEER ELECTRONIC CORP6 citations57

MITSUBISHI GAS CHEMICAL CO

1 patent

US11230668B2Jan 25, 2022

Etchant

MITSUBISHI GAS CHEMICAL CO0 citations55