Inventor

UMEZAWA TOMOKO

JP4 patents

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

SONY CORP

3 patents

US5115240AMay 19, 1992

Method and apparatus for encoding voice signals divided into a plurality of frequency bands

SONY CORP111 citations95

US5151941ASep 29, 1992

Digital signal encoding apparatus

SONY CORP52 citations92

USRE36559EFeb 8, 2000

Method and apparatus for encoding audio signals divided into a plurality of frequency bands

SONY CORP2 citations62

KAO CORP

1 patent

US6451327B1Sep 17, 2002

Skin cleansing composition

KAO CORP10 citations69