Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540422 | Push-out-type writing implement | — | 2003-04-01 |
| 6519614 | Transaction processing system using efficient file update processing and recovery processing | Tatsunori Kanai, Toshiki Kizu, Seiji Maeda, Hiroshi Yao, Hirokuni Yano | 2003-02-11 |