Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736003 | Vehicle performance evaluation test method and apparatus | Shigeru Sakamoto, Osamu Takenaka | 2004-05-18 |
| 6681620 | Vehicle performance evaluation test method and apparatus | Shigeru Sakamoto, Norihiko Okochi, Tetsuya Ogawa, Osamu Takenaka | 2004-01-27 |