Inventor

KUMADA NAOKI

JP3 patents

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

MITSUI MINING & SMELTING CO

2 patents

US7927741B2Apr 19, 2011

Lithium transition metal oxide having layered structure

MITSUI MINING & SMELTING CO8 citations80

US7988880B2Aug 2, 2011

Spinel type lithium transition metal oxide

MITSUI MINING & SMELTING CO5 citations60

MITSUI MINING & SMELTING CO LTD

1 patent

US11848441B2Dec 19, 2023

Zinc foil, primary battery negative electrode active material using same, and zinc foil production method

MITSUI MINING & SMELTING CO LTD0 citations57