Inventor

YAMAUCHI YOSHIKI

JP3 patents

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

NIPPON TELEGRAPH & TELEPHONE

2 patents

US4193045AMar 11, 1980

Temperature compensated surface acoustic wave oscillators

NIPPON TELEGRAPH & TELEPHONE34 citations87

US5019890AMay 28, 1991

Heterojunction bipolar transistor

NIPPON TELEGRAPH & TELEPHONE8 citations71

NTT ELECTRONICS CORP

1 patent

US6842560B2Jan 11, 2005

Optical multiplexing circuit and optical multiplexer

NTT ELECTRONICS CORP9 citations67