P

Inventor

YAMAGUCHI MASAYASU

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

TDK CORP

3 patents
US4650774AMar 17, 1987

Magnetic head slider material

TDK CORP27 citations91
US4711861ADec 8, 1987

Sintered aluminum nitride body and method for making

TDK CORP21 citations80
US4672046AJun 9, 1987

Sintered aluminum nitride body

TDK CORP12 citations71

PIONEER ELECTRONIC CORP

3 patents
US5087340AFeb 11, 1992

Method of making magneto-optical recording disk

PIONEER ELECTRONIC CORP13 citations73
US4471028ASep 11, 1984

Honeycomb core diaphragm

PIONEER ELECTRONIC CORP11 citations73
US5217850AJun 8, 1993

Optical recording disk and manufacturing method thereof

PIONEER ELECTRONIC CORP2 citations62

TOYO BOSEKI

2 patents
US4072664AFeb 7, 1978

Aromatic polyamides from N,N'-bis(p-aminobenzoyl)ethylene diamine

TOYO BOSEKI8 citations70
US4011203AMar 8, 1977

Aromatic polyamide from piperazine, p-phenylene diamine and terephthaloyl halide

TOYO BOSEKI8 citations69

NIPPON TELEGRAPH & TELEPHONE

1 patent
US5648859AJul 15, 1997

Liquid crystal microprism array, free-space optical interconnector, and optical switch

NIPPON TELEGRAPH & TELEPHONE66 citations94