P

Inventor

YOKOYAMA YOICHI

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

MATSUSHITA ELECTRIC WORKS LTD

7 patents
US4604596AAug 5, 1986

Remotely controllable circuit breaker

MATSUSHITA ELECTRIC WORKS LTD48 citations95
US5389905AFeb 14, 1995

Damper, electromagnet assembly employing the damper, and relay employing the electromagnet assemblies

MATSUSHITA ELECTRIC WORKS LTD20 citations90
US5359305AOct 25, 1994

Electromagnetic relay

MATSUSHITA ELECTRIC WORKS LTD33 citations89
US5049845ASep 17, 1991

Welding free relay contact device

MATSUSHITA ELECTRIC WORKS LTD23 citations88
US4752660AJun 21, 1988

Current limiting circuit breaker with an arc shearing plate

MATSUSHITA ELECTRIC WORKS LTD33 citations88
US4703294AOct 27, 1987

Remotely controllable relay

MATSUSHITA ELECTRIC WORKS LTD18 citations72
US5420555AMay 30, 1995

Plural sealed contact units with common electromagnetic operating mechanism

MATSUSHITA ELECTRIC WORKS LTD13 citations71

BROWDER TIMOTHY J

1 patent
US6279514B1Aug 28, 2001

Method of recovering heat in sulfuric acid production plant

BROWDER TIMOTHY J33 citations83

ELECTRIC POWER RES INST

1 patent
US4855701AAug 8, 1989

Polarized electromagnet

ELECTRIC POWER RES INST14 citations68

HITACHI LTD

1 patent
US5553278ASep 3, 1996

Method and system for manipulation of database and issuing report thereof

HITACHI LTD5 citations57