Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864632 | Map editing device for assisting updating of a three-dimensional digital map | Yukio Ogawa, Shigeru Kakumoto | 1999-01-26 |
| 5805446 | Method for facility location | Shigeru Kakumoto, Takatoshi Kodaira | 1998-09-08 |