Inventor

TSUKUDA RYOMA

JP5 patents

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

MITSUI MINING & SMELTING CO

4 patents

US6840844B2Jan 11, 2005

Process for preparing p-type thermoelectric material

MITSUI MINING & SMELTING CO11 citations69

US10629935B2Apr 21, 2020

Fuel cell electrode catalyst layer, production method therefor, membrane electrode assembly, and solid polymer fuel cell

MITSUI MINING & SMELTING CO0 citations48

US10615425B2Apr 7, 2020

Tin oxide, electrode catalyst for fuel cells, membrane electrode assembly, and solid polymer fuel cell

MITSUI MINING & SMELTING CO0 citations48

US8003218B2Aug 23, 2011

Al-Ni-B alloy material for reflective film

MITSUI MINING & SMELTING CO0 citations48

MITSUI MINING & SMELTING CO LTD

1 patent

US11652216B2May 16, 2023

Electrode catalyst layer for fuel cells and solid polymer fuel cell using same

MITSUI MINING & SMELTING CO LTD0 citations60