Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283764 | Storage medium playback system and method | Ryo Kajiyama, Tomihiro Yamazaki, Haruo Mukai | 2001-09-04 |
| 5745540 | Portable bill counter detecting forgeries | Susumu Ozawa | 1998-04-28 |
| 5469567 | System for secondary database data block buffering with block save generations and read/write access and with separate management | — | 1995-11-21 |
| 5293617 | Data base system capable of quickly restoring a data block in a data section when a fault occurs during operation | — | 1994-03-08 |