Inventor

ECHIZEN KENJI

JP3 patents

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

SONY CORP

2 patents

US8029262B2Oct 4, 2011

Lubricant composition and article, disk molding stamper, disk molding apparatus, disk forming method, method of forming lubrication coating

SONY CORP2 citations58

US7700011B2Apr 20, 2010

Disk forming method

SONY CORP1 citations48

TORAY INDUSTRIES

1 patent

US12308472B2May 20, 2025

Separator for batteries

TORAY INDUSTRIES0 citations46