Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362364 | Method for production of esterified product and apparatus therefor | Tsuyoshi Hirata, Tsutomu Yuasa | 2002-03-26 |
| 6358148 | Control method, apparatus and carrier wave for difficulty in a video game | — | 2002-03-19 |