Inventor

SUWA MAYUKO

JP3 patents

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

MITSUI MINING & SMELTING CO LTD

2 patents

US12330134B2Jun 17, 2025

Hydrocarbon adsorbent

MITSUI MINING & SMELTING CO LTD0 citations56

US12330133B2Jun 17, 2025

Exhaust gas purifying composition and production method therefor

MITSUI MINING & SMELTING CO LTD0 citations56

TANIYAMA KOICHI

1 patent

US8221688B2Jul 17, 2012

Exhaust gas purification device for internal combustion engine

TANIYAMA KOICHI0 citations42