P

Inventor

YOKOYAMA NORIO

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA NORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

6 patents
US6409965B1Jun 25, 2002

Sputtering target and its manufacturing method

SONY CORP72 citations96
US6024852AFeb 15, 2000

Sputtering target and production method thereof

SONY CORP53 citations95
US6391081B1May 21, 2002

Metal purification method and metal refinement method

SONY CORP13 citations70
US4696862ASep 29, 1987

Magnetic recording medium

SONY CORP3 citations61
US6740290B2May 25, 2004

High purity cobalt, method of manufacturing thereof, and high purity cobalt targets

SONY CORP3 citations57
US7279024B2Oct 9, 2007

High purity cobalt, method of manufacturing thereof, and high purity cobalt targets

SONY CORP0 citations47

PRAXAIR TECHNOLOGY INC

1 patent
US6086735AJul 11, 2000

Contoured sputtering target

PRAXAIR TECHNOLOGY INC47 citations92

RICOH KK

1 patent
US5652079AJul 29, 1997

Carrier for dry two-component developer and method of producing the same

RICOH KK37 citations92

NATOCO PAINT KK

1 patent
US6440572B1Aug 27, 2002

Composition, antisticking agents, and thermal transfer recording films

NATOCO PAINT KK8 citations67