Inventor · Saitama, JP

Hotaka Takeuchi

8Patents
5h-index
8Co-inventors
48Inventor score

Filing activity: Jul 19, 1999 → May 29, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6757111B2 Zoom lens Physics 15 Expired
US6312168A Camera Physics 12 Expired
US7362509B2 Zoom lens Physics 7 Expired
US7508601B2 Imaging lens Physics 6 Active
US6992840B2 Photographing lens Physics 6 Expired
US6985305B2 Zoom lens Physics 5 Expired
US6898023B2 Zoom lens Physics 3 Expired
US6980369B2 Zoom lens Physics 2 Expired

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