Inventor · Sakai, JP

Yoshiaki Tabata

8Patents
4h-index
16Co-inventors
54Inventor score

Filing activity: Oct 24, 1989 → Jan 14, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US8073595B2 Lane deviation prevention device Performing Operations; Transporting 47 Active
US5121165A Developer unit and a toner hopper for an image forming device Physics 27 Expired
US5381216A Separating device for image forming apparatus Physics 7 Expired
US5797597A Automatic document conveying device Performing Operations; Transporting 7 Expired
US5023669A Image forming apparatus having an intermediate sheet alignment and receiving unit Physics 3 Expired
US5602628A Image forming apparatus with automatic voltage control Physics 2 Expired
US5681493A Multi-level energy saving temperature controller for image forming fixing unit Physics 2 Expired
US8310741B2 Image reading device and image forming apparatus Electricity 1 Active

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