Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314434 | Structured data management system and computer-readable method for storing structured data management program | Nobuhisa Shigemi, Hiroyuki Yamamoto, Makoto Yoshioka, Mitsuhiro Kokubun | 2001-11-06 |
| 6279006 | Structured data management system and computer-readable recording medium storing structured data management program | Nobuhisa Shigemi, Hiroyuki Yamamoto, Makoto Yoshioka, Mitsuhiro Kokubun | 2001-08-21 |
| 6144745 | Method of and apparatus for retaining and verifying of data on recording medium | Ryota Akiyama, Seiichi Urita | 2000-11-07 |
| 5909688 | Information management system | Makoto Yoshioka, Hiroaki Negishi, John W. Mackin, Mitsuhiro Kokubun | 1999-06-01 |
| 5553216 | Structured database system together with structure definition frame storing document body data | Makoto Yoshioka, Hiroaki Negishi, John W. Mackin, Mitsuhiro Kokubun | 1996-09-03 |