Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182082 | Method and system for managing object-oriented database | Hitoshi Tanaka, Satoshi Wakayama, Yoichi Yamamoto, Hideo Munetika | 2001-01-30 |
| 5946689 | Distributed database system and method of detecting contention in data update involved in replication of database data | Hiroyuki Yanaka, Satoshi Wakayama, Hitoshi Tanaka, Norifumi Nishikawa, Hideyuki Takatani | 1999-08-31 |
| 5710920 | Object extending method | Satoshi Wakayama, Yo Yamamoto | 1998-01-20 |
| 5526519 | Memory management technique for efficient execution of procedures in objects | Yoichi Yamamoto, Kazuhiro Satoh | 1996-06-11 |
| 4997324 | Spindle structure for machine tool | Kazuo Shirai | 1991-03-05 |
| 4743786 | Rotational position detection device | Wataru Ichikawa, Yuji Matsuki | 1988-05-10 |