Inventor

KURODA KATSUMI

JP4 patents

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

HITACHI LTD

2 patents

US6248969B1Jun 19, 2001

Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor

HITACHI LTD24 citations92

US5691521ANov 25, 1997

Vacuum circuit breaker with improved contact assembly

HITACHI LTD16 citations72

EPSON TOYOCOM CORP

2 patents

US7592741B2Sep 22, 2009

Piezoelectric device

EPSON TOYOCOM CORP25 citations90

US7579748B2Aug 25, 2009

Piezoelectric device and method for manufacturing thereof

EPSON TOYOCOM CORP26 citations89