Inventor

HONNA Ryo

JP3 patents

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

HITACHI CHEMICAL CO LTD

2 patents

US11118005B2Sep 14, 2021

Composition, hole transport material composition, and ink composition

HITACHI CHEMICAL CO LTD0 citations46

US12202934B2Jan 21, 2025

Charge-transport polymer and organic electronic element

HITACHI CHEMICAL CO LTD0 citations43

SHOWA DENKO MATERIALS CO LTD

1 patent

US12354914B2Jul 8, 2025

Method for producing substrate having through-silicon vias, substrate having through-silicon vias, and copper paste for through-silicon via formation

SHOWA DENKO MATERIALS CO LTD0 citations59