Inventor · Somerville, MA, US

Masayoshi Wada

26Patents
6h-index
27Co-inventors
69Inventor score

Filing activity: Sep 9, 1988 → Aug 5, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5927423A Reconfigurable footprint mechanism for omnidirectional vehicles Emerging Cross-Sectional Technologies 185 Expired
US6408230B2 Omnidirectional vehicle and method of controlling the same Physics 124 Expired
US5373454A Problem diagnosis system in pressure device control apparatus Emerging Cross-Sectional Technologies 84 Expired
US5924512A Omnidirectional vehicle and method of controlling the same Performing Operations; Transporting 29 Expired
US4867665A Plastic material molding apparatus Performing Operations; Transporting 21 Expired
US7560023B2 Method of modifying surface of material Emerging Cross-Sectional Technologies 11 Expired
US7498071B2 Laminated material with imprinted information, article on which the same is attached, method for reading information code Emerging Cross-Sectional Technologies 5 Expired
US11267388B2 Mobile object Human Necessities 5 Active
US11173080B2 Mobile object Performing Operations; Transporting 3 Active
US5364173A Pressure source for pressure device Emerging Cross-Sectional Technologies 3 Expired
US11123243B2 Mobile object Human Necessities 3 Active
US6846547B2 Forgery/alteration protective material Emerging Cross-Sectional Technologies 2 Expired
US5765474A Hot stamping method and apparatus for photo film spool Emerging Cross-Sectional Technologies 2 Expired
US10987261B2 Mobile object Performing Operations; Transporting 2 Active
US7906670B2 Phosphorylcholine group containing compound and surface modifying agent composed of such compound Performing Operations; Transporting 2 Active
US11191683B2 Electric vehicle with movable baggage base Performing Operations; Transporting 1 Active
US11351860B2 Operating device for electric vehicle Physics 1 Active
US11534350B2 Electric vehicle Emerging Cross-Sectional Technologies 1 Active
US8168145B2 Porous titanium oxide and process for producing the same Emerging Cross-Sectional Technologies 1 Active
US11247745B2 Electric vehicle Emerging Cross-Sectional Technologies 1 Active
US11504287B2 Electric vehicle Emerging Cross-Sectional Technologies 0 Active
US8426627B2 Phosphorylcholine group-containing compound and surface modifying agent composed of such compound Performing Operations; Transporting 0 Active
US7022409B2 Pleochroism powder and pleochroism printed article Emerging Cross-Sectional Technologies 0 Expired
US6851644B2 Conveying roller for photosensitive material and method of producing the same Emerging Cross-Sectional Technologies 0 Expired
US8673151B2 Method of modifying surface of material Emerging Cross-Sectional Technologies 0 Active

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