Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947944 | Database managing apparatus and database record retrieving apparatus | — | 2005-09-20 |
| 6556919 | Map data storage medium | Hidenobu Suzuki, Yasuhiro Tooyama, Hiroshi Takeuchi, Isao Ogawa | 2003-04-29 |
| 6122594 | System and method for designating points on a map using reduced designation information | Kazuyoshi Tamaki, Takao Mitsui | 2000-09-19 |
| 6006160 | System and method for designating points on a map using reduced designation information | Kazuyoshi Tamaki, Takao Mitsui | 1999-12-21 |