P

Inventor

WATANABE YOSHIYASU

JP7 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE YOSHIYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

4 patents
US6268579B1Jul 31, 2001

Vacuum switchgear

HITACHI LTD27 citations91
US5892645AApr 6, 1999

Protection system for power receiving station

HITACHI LTD27 citations86
US6678136B2Jan 13, 2004

Protective relay apparatus

HITACHI LTD3 citations57
US6683769B2Jan 27, 2004

Protective relay apparatus

HITACHI LTD0 citations47

CITIZEN WATCH CO LTD

1 patent
US11656582B2May 23, 2023

Radio wave watch

CITIZEN WATCH CO LTD0 citations59

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

1 patent
US12393806B2Aug 19, 2025

Code generation system and code generation method

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations54

FURUKAWA CO LTD

1 patent
US10781656B2Sep 22, 2020

Undersea mining base, mining base monitoring device, and chimney avoidance method for seabed deposit

FURUKAWA CO LTD0 citations36