Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8716924 | Spark plug having stress corrosion cracking resistance | Hiroaki Nasu, Makoto Sugita, Akito Sato | 2014-05-06 |
| 5949375 | Method of and apparatus for calculating position of movable body in navigation system, method of and apparatus for correcting the position, and program storage device readable by the apparatus | Motoki Ishiguro | 1999-09-07 |
| 5483456 | Navigation system and a method of calculating GPS measuring deviation | Satoshi Odagawa | 1996-01-09 |
| 5442559 | Navigation apparatus | Satoshi Odagawa | 1995-08-15 |
| 5394332 | On-board navigation system having audible tone indicating remaining distance or time in a trip | Morio Araki, Takeharu Arakawa | 1995-02-28 |
| 5363306 | On-vehicle navigation apparatus | Morio Araki | 1994-11-08 |
| 5262774 | On-vehicle navigation apparatus | Morio Araki | 1993-11-16 |