Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11645872 | Scoring method, scoring apparatus, and recording medium | Hirohisa Naito, Tsuyoshi Matsumoto, Satoshi Shimizu, Akihiko Yabuki | 2023-05-09 |
| 9726070 | Stratified scavenging two-stroke engine | Kenji Imafuku, Yoshifumi Watanabe, Junichi Masuda | 2017-08-08 |
| 9719416 | Stratified scavenging two-stroke engine | Kenji Imafuku, Junichi Masuda, Yoshifumi Watanabe | 2017-08-01 |
| 6909967 | Navigation device and route retrieving device | Kazuaki Ishikawa, Kosuke Koga, Nobuyuki Takehara | 2005-06-21 |
| 6879909 | Map display control apparatus, map information update apparatus, map information update system and control method thereof | Hiroshi Minagawa, Hitoshi Watanabe, Tetsumori Aikawa | 2005-04-12 |
| 6346893 | Automotive navigation system | Shoichiro Morita, Toru Saito | 2002-02-12 |