Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817537 | Time card and time recorder system using time card | Mitsuru Saito, Masayuki Mochizuki, Hiroaki Yamagishi, Yuichi Ishizuka | 2004-11-16 |
| 6765600 | Time recorder with a card feed rate adjustment function and time card for use in the same | Hiroaki Yamagishi, Masayuki Mochizuki, Daisuke Fujita | 2004-07-20 |