Inventor · Yokohama, JP

Tsutomu Shiratori

31Patents
12h-index
21Co-inventors
81Inventor score

Filing activity: Nov 20, 1991 → Mar 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6027825A Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information Emerging Cross-Sectional Technologies 55 Expired
US5815477A Write test method for use in recording process for recording information by modulating the power of a laser light thereby forming a high-temperature state and a low-temperature state on a recording medium Physics 19 Expired
US5966348A Information reproducing method and apparatus for reproducing information by moving magnetic wall Physics 18 Expired
US5629909A Magneto-optical recording medium with initializing layer for initializing different regions in different directions Physics 18 Expired
US6249489A Information recording-reproducing method utilizing domain wall displacement, and magneto optical medium Physics 18 Expired
US5648134A Thermal recording medium capable of keeping width of mark train constant and recording method for the same Emerging Cross-Sectional Technologies 17 Expired
US6345016B1 Signal-reproducing method and apparatus utilizing light beam generated temperature distribution and magnetic domain wall displacement Physics 16 Expired
US6403148B1 Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information Emerging Cross-Sectional Technologies 16 Expired
US5418076A Magnetic-optical recording medium Emerging Cross-Sectional Technologies 16 Expired
US6180208A Information recording medium and method for producing the same Emerging Cross-Sectional Technologies 15 Expired
US5936915A Magneto-optical medium for reproducing information by the utilization of magnetic wall movement, and signal reproducing method Physics 14 Expired
US5450382A Magneto-optical recording medium having a layer that retains its state of magnetization regardless of the presence of an external magnetic field, and a recording/reproducing method therefor Physics 12 Expired
US6399174B1 Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information Emerging Cross-Sectional Technologies 11 Expired
US6265062A Magnetic recording medium capable of reproducing information by displacing magnetic wall and recording-reproducing method therefor Emerging Cross-Sectional Technologies 11 Expired
US5956296A Information reproducing apparatus for reproducing information by magnetic wall movement Physics 10 Expired
US6197440A Magnetic recording medium Emerging Cross-Sectional Technologies 9 Expired
US5962154A Magneto-optical recording medium exclusively for reproduction, method of manufacturing the same and method of reproducing information from the medium Emerging Cross-Sectional Technologies 9 Expired
US6084830A Signal reproducing apparatus for reproducing information by moving magnetic walls Physics 8 Expired
US6554974B2 Method of manufacturing information recording medium Physics 7 Expired
US5751669A Overwritable magnetooptical recording method in which the recording medium is cooled after irradiation Physics 7 Expired
US6403205B1 Magnetic recording medium capable of reproducing information by displacing magnetic wall and recording-reproducing method therefor Emerging Cross-Sectional Technologies 5 Expired
US6221219A Magneto-optical medium and process for production thereof Emerging Cross-Sectional Technologies 5 Expired
US6454915B1 Information recording medium and method for producing the same Emerging Cross-Sectional Technologies 5 Expired
US5949743A Magnetooptical recording medium having a bias layer related by Curie temperature to a writing layer, which is capable of being overwritten by light modulation Physics 3 Expired
US6747919B2 Magneto-optical recording medium, and method and apparatus for producing the same Physics 2 Expired

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