Inventor · Yokohama, JP

Noboru Sasa

27Patents
9h-index
41Co-inventors
75Inventor score

Filing activity: Jun 12, 1995 → Mar 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6628595B1 Optical recording method and apparatus for an optical storage medium Physics 29 Expired
US6197477A Optical recording medium Emerging Cross-Sectional Technologies 18 Expired
US5939163A Optical information recording medium Emerging Cross-Sectional Technologies 18 Expired
US6057020A Optical recording medium and recording and/or reproduction method using the same Emerging Cross-Sectional Technologies 16 Expired
US5998093A Optical information recording medium Emerging Cross-Sectional Technologies 14 Expired
US6558768B2 Optical recording medium and optical recording and reading method using the same Emerging Cross-Sectional Technologies 13 Expired
US5863703A Optical information recording medium using a phthalocyanine compound Emerging Cross-Sectional Technologies 12 Expired
US6225022A Optical recording medium and recording method using the same Emerging Cross-Sectional Technologies 12 Expired
US6933032B2 Write-once-read-many optical recording media and process for recording and reproducing information on the media Emerging Cross-Sectional Technologies 11 Expired
US6741547B2 Optical recording medium having short wobble period length Physics 9 Expired
US5677025A Optical information recording medium near infrared absorbing material therefor Emerging Cross-Sectional Technologies 8 Expired
US7488526B2 Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method therefor Physics 6 Active
US6762008B2 Optical recording medium Emerging Cross-Sectional Technologies 6 Expired
US7061847B2 Optical recording method and apparatus for an optical storage medium Physics 5 Expired
US8124211B2 Optical recording medium, sputtering target, and method for manufacturing the same Emerging Cross-Sectional Technologies 4 Active
US7413788B2 Write-once-read-many optical recording media and process for recording and reproducing information on the media Emerging Cross-Sectional Technologies 4 Active
US7085429B2 Binarization device Physics 3 Expired
US8009534B2 Method of recording data in multilayered recordable optical recording medium, recording and reproducing apparatus for recording the data in the recording medium and the recording medium Physics 3 Active
US8227067B2 Optical recording medium, and sputtering target and method for producing the same Emerging Cross-Sectional Technologies 1 Active
US8147942B2 Worm optical recording medium Emerging Cross-Sectional Technologies 1 Active
US8124212B2 Sputtering target and manufacturing method therefor, and recordable optical recording medium Emerging Cross-Sectional Technologies 0 Active
US8846298B2 Write-once-read-many optical disk having low-to-high recording property accommodating short wavelength recording Physics 0 Active
US7897535B2 Sputtering target and manufacturing method therefor, and recordable optical recording medium Emerging Cross-Sectional Technologies 0 Active
US11106106B2 Electrochromic device, electronic dimming eyeglasses, augmented reality eyeglasses, and camera Physics 0 Active
US11237447B2 Electrochromic element Physics 0 Active

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