Inventor

Masao Wada

28Patents
9h-index
28Co-inventors
75Inventor score

Filing activity: Jul 16, 1976 → Dec 19, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
USD265295S Digital wrist watch or the like General 45 Expired
USD267548S Digital wrist watch or the like General 45 Expired
USD263452S Wrist watch General 36 Expired
USD259626S Digital wrist watch or the like General 28 Expired
US5617856A Biological information-measuring apparatus Human Necessities 15 Expired
US5401530A Process for fabricating a Josephson device Emerging Cross-Sectional Technologies 14 Expired
USD370857S Wrist watch General 12 Expired
US6822801B2 Device for determining focused state of taking lens Electricity 11 Expired
US5313074A Josephson device formed over a recess step with protective layer Emerging Cross-Sectional Technologies 10 Expired
USD387685S Wrist watch General 8 Expired
USD404661S Watch case General 8 Expired
US4358264A Centrifugal molding apparatus for manufacturing composite material pipes Performing Operations; Transporting 7 Expired
USD397620S Watch case General 6 Expired
USD401862S Watch case General 6 Expired
USD504071S1 Watch case General 5 Expired
USD364571S Wrist watch General 5 Expired
USD363235S Wrist watch General 5 Expired
USD541181S1 Watch case General 4 Expired
USD293300S Wristwatch General 4 Expired
USD396646S Watch case General 3 Expired
USD435222S Wrist watch with manometer General 3 Expired
USD396650S Watch case General 3 Expired
USD548624S1 Watch case General 2 Expired
US7330647B2 Autofocus system Electricity 2 Expired
US6833538B2 Device for determining focused state of taking lens Electricity 2 Expired

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