Inventor · Tokyo, JP

Ken Ishiguro

4Patents
3h-index
9Co-inventors
43Inventor score

Filing activity: Apr 12, 1983 → Dec 11, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5006058A Apparatus for injection molding information recording disks Emerging Cross-Sectional Technologies 13 Expired
US4567114A Thermal dye-transfer type recording sheet Emerging Cross-Sectional Technologies 12 Expired
US4490435A Thermal dye-transfer type recording sheet Emerging Cross-Sectional Technologies 6 Expired
US6058078A Information recording disc demagnetization apparatus Physics 1 Expired

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