Inventor

ISHIDA TETSUJI

JP5 patents

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

UEMURA KOGYO KK

3 patents

US10138558B2Nov 27, 2018

Pretreatment agent for electroless plating, and pretreatment and production of printed wiring board using same

UEMURA KOGYO KK3 citations69

US12503775B2Dec 23, 2025

Copper etching solution

UEMURA KOGYO KK0 citations56

US12529145B2Jan 20, 2026

Pretreatment method for electroless plating, and pretreatment solution for electroless plating

UEMURA KOGYO KK0 citations44

OLYMPUS OPTICAL CO

1 patent

US4668226AMay 26, 1987

Injection needle assembly for endoscope

OLYMPUS OPTICAL CO56 citations91

YAMAMOTO HISAMITSU

1 patent

US8828131B2Sep 9, 2014

Catalyst application solution, electroless plating method using same, and direct plating method

YAMAMOTO HISAMITSU5 citations67