Inventor · Hitachi, JP

Yozo Shibata

7Patents
6h-index
18Co-inventors
60Inventor score

Filing activity: Jan 4, 1985 → May 27, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US4580947A Method of controlling operation of a plurality of compressors Mechanical Engineering; Lighting; Heating 100 Expired
US6816048B2 Electromagnet and actuating mechanism for switch device, using thereof Electricity 21 Expired
US6144005A Vacuum switch and a vacuum switchgear using the same Electricity 16 Expired
US6268579A Vacuum switchgear Electricity 15 Expired
US7075398B2 Electromagnet and actuating mechanism for switch device, using thereof Electricity 7 Expired
US6940376B2 Electromagnet and actuating mechanism for switch device, using thereof Electricity 6 Expired
US6259051A Vacuum switch and a vacuum switchgear using the same Electricity 6 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.