Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9535240 | Zoom optical system | Miho Matsumoto | 2017-01-03 |
| 9395525 | Catadioptric imaging lens | Miho Matsumoto, Kinya Kato, Yoshikazu Sugiyama | 2016-07-19 |
| 7778508 | Image display optical system, image display unit, illuminating optical system, and liquid crystal display unit | — | 2010-08-17 |
| 7295923 | Navigation device and address input method thereof | — | 2007-11-13 |
| 6950797 | Voice reference apparatus, recording medium recording voice reference control program and voice recognition navigation apparatus | Yoshiyuki Kobayashi | 2005-09-27 |
| 6708150 | Speech recognition apparatus and speech recognition navigation apparatus | Yoshiyuki Kobayashi | 2004-03-16 |
| 5422639 | Navigation equipment which determines current position dependent on difference between calculated value of self-contained navigation and measured value of radio navigation | Yoshiyuki Kobayashi | 1995-06-06 |
| 5311173 | Navigation system and method using map data | Fuminobu Komura, Koichi Homma, Makoto Kato, Takanori Shibata, Yoji Matsuoka +2 more | 1994-05-10 |