Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490807 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Katsumi Kitamura | 2002-12-10 |
| 6470292 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Katsumi Kitamura | 2002-10-22 |