Inventor · Moriyama, JP

Yoshihisa Ishikawa

30Patents
9h-index
43Co-inventors
75Inventor score

Filing activity: Feb 14, 1978 → May 13, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
USD762740S1 Wheel loader General 34 Active
USD758457S1 Wheel loader General 33 Active
US7915778B2 Electric motor Electricity 20 Active
US8182416B1 Endoscopic device Human Necessities 19 Active
USD756420S1 Wheel loader General 18 Active
US8177710B1 Endoscopic device Human Necessities 17 Active
US5537271A Apparatus for loading a data recording disk Physics 13 Expired
US7830060B2 Electric motor Electricity 12 Active
US4346159A Photosensitive element for electrophotography Physics 9 Expired
USD728488S1 Relay socket General 6 Active
US7701109B2 Rotating electrical machine Electricity 5 Active
US8840544B2 Endoscope apparatus Human Necessities 5 Active
USD583504S1 Light guiding member General 5 Expired
US8471428B2 Rotating electrical machine Electricity 4 Active
US8911361B2 Endoscope apparatus Human Necessities 4 Active
US7759837B2 Rotating electrical machine Electricity 4 Active
US8829754B2 Electric rotating machine Electricity 2 Active
USD621992S1 Light guiding plate General 2 Expired
US8134269B2 Electric motor Electricity 1 Active
US12090812B2 Construction machine Fixed Constructions 1 Active
US7777389B2 Rotating electrical machine Electricity 1 Active
USD766190S1 Relay socket General 1 Active
US8795160B2 Endoscope apparatus Human Necessities 1 Active
US12195952B2 Safety monitoring system Electricity 0 Active
US12012720B2 Exhaust treatment device for a construction machine Emerging Cross-Sectional Technologies 0 Active

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