Inventor · Nanbu, JP

Katsuji Ishigami

3Patents
2h-index
5Co-inventors
30Inventor score

Filing activity: Jul 10, 2002 → Feb 13, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6784948B2 Touch panel for display device with pet film having transparent gel layer Physics 103 Expired
US7248308B2 Spread illuminating apparatus to illuminate two liquid crystal display panels different in screen size Physics 7 Expired
US7056004B2 Spread illuminating apparatus with light conductive plate having polygonal configuration Physics 1 Expired

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