Inventor · Shibukawa, JP

Keiichi Ida

5Patents
1h-index
9Co-inventors
36Inventor score

Filing activity: Dec 28, 1998 → Sep 30, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6874156B2 Optical information recording medium Physics 1 Expired
US6792613B2 Optical information recording medium Physics 0 Expired
US6990049B2 Optical information recording medium, method for recording/reproducing the same, and optical pickup Physics 0 Expired
US7887993B2 Optical information recording medium and recording method thereof Emerging Cross-Sectional Technologies 0 Active
US6328866A Ion sensor and ion sensor plate Physics 0 Expired

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