Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11271764 | Chat terminal device, chat system, chat display method, and chat display program | Hideaki Onoda, Jiro Uzaki | 2022-03-08 |
| 7020780 | Method apparatus and systems for producing and writing cipher keys, reproducing information with a cipher key, and for permitting reproduction of information with a cipher key, and permitting reproduction of information with a cipher key, and optical disc recorded with a cipher key | — | 2006-03-28 |
| 6538965 | Optical disc, information recording apparatus and information reproducing apparatus therefor | Atsushi Hayami | 2003-03-25 |
| 6463539 | Managing system for reproducing information composed of information recording medium, managing medium, and reproduction method and apparatus method therefor | — | 2002-10-08 |
| 6097814 | Method and apparatus for controlling the reproduction of data stored on a storage medium method | — | 2000-08-01 |
| 5844876 | Double-layer optical disk, recording method and manufacturing method of this optical disk | — | 1998-12-01 |
| 5502698 | Automatic attitude correcting system for optical disc device | — | 1996-03-26 |
| 4843708 | Assembly method for component parts and system | Yoshihiko Yokoi, Kazuo Kawai, Youkichi Onda | 1989-07-04 |