P

Inventor

KOGA KAZUNORI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “KOGA KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

4 patents
US5681995AOct 28, 1997

Ultrasonic flaw detecting apparatus for inspecting multi-layer structure and method thereof

HITACHI LTD30 citations87
US4592237AJun 3, 1986

Method of selecting composite reception signal in ultrasonic inspection apparatus and apparatus therefor

HITACHI LTD24 citations81
US4736630AApr 12, 1988

Apparatus and method for sending out and receiving ultrasonic wave signals

HITACHI LTD12 citations73
US4615217AOct 7, 1986

Two-probe ultrasonic flaw detection apparatus

HITACHI LTD5 citations62

KYOCERA CORP

3 patents
US4920085AApr 24, 1990

Silicon nitride sintered body and process for preparation thereof

KYOCERA CORP19 citations80
US5114889AMay 19, 1992

Silicon nitride sintered body and process for preparation thereof

KYOCERA CORP9 citations72
US5219500AJun 15, 1993

Silicon nitride sintered body and process for preparation thereof

KYOCERA CORP9 citations71

KYOTO CERAMIC

2 patents
US4105455AAug 8, 1978

Method of producing dense sintered silicon carbide body from polycarbosilanes

KYOTO CERAMIC35 citations91
US4374793AFeb 22, 1983

Method of producing dense sintered silicon carbide body from polycarbosilane

KYOTO CERAMIC23 citations78

TOKYO ELECTRON LTD

1 patent
US12476084B2Nov 18, 2025

Plasma processing apparatus, high-frequency power supply circuit, and impedance matching method

TOKYO ELECTRON LTD0 citations42