Inventor

OKADA YUKIYOSHI

JP3 patents

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

OBATA DONI DAIWA FINE CHEMICAL

1 patent

US4459185AJul 10, 1984

Tin, lead, and tin-lead alloy plating baths

OBATA DONI DAIWA FINE CHEMICAL94 citations91

OBATA KEIGO

1 patent

US4673470AJun 16, 1987

Tin, lead, or tin-lead alloy plating bath

OBATA KEIGO12 citations67

OBATA DOHI DAIWA FINE CHEMICAL

1 patent

US4555314ANov 26, 1985

Tin-lead alloy plating bath

OBATA DOHI DAIWA FINE CHEMICAL3 citations55