P

Inventor

YAMAGUCHI NORISHIGE

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

TDK CORP

3 patents
US5800636ASep 1, 1998

Dust core, iron powder therefor and method of making

TDK CORP58 citations93
US5443787AAug 22, 1995

Method for preparing iron system soft magnetic sintered body

TDK CORP21 citations91
US6102980AAug 15, 2000

Dust core, ferromagnetic powder composition therefor, and method of making

TDK CORP25 citations90

TDK ELECTRONICS CO LTD

3 patents
US4188211AFeb 12, 1980

Thermally stable amorphous magnetic alloy

TDK ELECTRONICS CO LTD29 citations79
US3997457ADec 14, 1976

Ceramic dielectric composition

TDK ELECTRONICS CO LTD14 citations73
US4054531AOct 18, 1977

Ceramic dielectric composition

TDK ELECTRONICS CO LTD16 citations70

SONY CORP

2 patents
US6634649B1Oct 21, 2003

Gasket, method of molding same, and cylindrical alkaline-manganese dioxide cell using same

SONY CORP19 citations81
US5601944AFeb 11, 1997

Button type alkaline battery

SONY CORP5 citations58

SEIKO INSTR INC

1 patent
US7972723B2Jul 5, 2011

Flat alkaline primary battery

SEIKO INSTR INC4 citations61