Inventor

OKA YASUNORI

JP2 patents

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

SUMITOMO METAL IND

1 patent

US6474474B2Nov 5, 2002

Sheet support container

SUMITOMO METAL IND12 citations69

KYUSHU ELECTRON METAL

1 patent

US5051375ASep 24, 1991

Method of producing semiconductor wafer through gettering using spherical abrasives

KYUSHU ELECTRON METAL7 citations62