Inventor · Tokyo, JP

Koji Takazawa

105Patents
3h-index
25Co-inventors
64Inventor score

Filing activity: May 30, 2003 → Feb 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7062776B2 Optical disk Physics 4 Expired
US9843044B2 Positive electrode Emerging Cross-Sectional Technologies 3 Active
US7229679B2 Optical disk and method for manufacturing the same Emerging Cross-Sectional Technologies 3 Expired
US7533396B2 Information storage medium, reproducing method, and recording method Physics 3 Active
US7318233B2 Optical disk and method of manufacturing the same Physics 2 Expired
US8127323B2 Information storage medium, reproducing method, and recording medium Physics 2 Active
US7509661B2 Optical disk including a preventing structure for preventing surfaces of the optical disk and other optical disks from adhering to each other when the optical disk and the other optical disk are stacked and method of manufacturing the same Physics 2 Active
US7869339B2 Multi-layer optical disc, information recording method and information reproducing method Physics 2 Active
US8134899B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US7995442B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US7864654B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8191087B2 Optical disk and method of manufacturing the same Physics 1 Active
US8139459B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US7960093B2 Storage medium, reproducing method, and recording method Emerging Cross-Sectional Technologies 1 Active
US7914969B2 Storage medium, reproducing method, and recording method Emerging Cross-Sectional Technologies 1 Active
US8149672B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8142981B2 Storage medium, reproducing method, and recording method Physics 1 Active
US7408869B2 Optical disk and optical disk apparatus Physics 1 Expired
US8137894B2 Storage medium, reproducing method, and recording method Emerging Cross-Sectional Technologies 1 Active
US8154971B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8437242B2 Optical recording medium for writing data using multiple pulses Physics 1 Active
US8154970B2 Optical recording medium, information recording method, and information reproducing method Physics 1 Active
US8179765B2 Optical recording medium, information recording method, and information reproducing method Physics 0 Active
US8059523B2 Optical recording medium for writing data using multiple pulses Physics 0 Active
US8040786B2 Information storage medium, reproducing method, and recording method Physics 0 Active

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