Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9792942 | Optical information medium having multiple layers with management information areas disposed at the same distance from center | Yoshihisa Takahashi, Motoshi Ito | 2017-10-17 |
| 9767844 | Information recording method and information recording apparatus including switching of recording layer in shortage of free space | Yoshikazu Yamamoto, Motoshi Ito | 2017-09-19 |
| 8732395 | Write-once information recording medium, information recording method, information recording device, information reproduction method, information reproduction device and method for manufacturing information recording medium | Yoshihisa Takahashi, Motoshi Ito | 2014-05-20 |
| 8406107 | Write-once information recording medium, information recording method, information recording apparatus, information reproducing method, information reproducing apparatus and manufacturing method of the information recording medium | Yoshihisa Takahashi, Motoshi Ito | 2013-03-26 |
| 8189438 | Control apparatus, control method, access apparatus, access method, program and write-once recording medium | Hiroshi Ueda, Motoshi Ito | 2012-05-29 |
| 7983131 | Information recording apparatus, information recording method and integrated circuit | Hiroshi Ueda, Motoshi Ito | 2011-07-19 |
| 7916588 | Control apparatus, control method, access apparatus, access method, program, and write-once recording medium | Hiroshi Ueda, Motoshi Ito | 2011-03-29 |
| 7301874 | Apparatus and method for searching for writable area, apparatus and method for updating recording management information, integrated circuit, and write-once information recording medium | Yoshikazu Yamamoto, Hiroshi Ueda, Motoshi Ito | 2007-11-27 |