Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9839063 | IP multimedia subsystem, proxy session control apparatus, and communication control method | Itsuma Tanaka, Masaki Machimoto, Zhen Miao | 2017-12-05 |
| 7062380 | Navigation system, and program and storage medium for use in the same | Takanori Kaji, Noboru Ishibashi, Kunihiro Yamada | 2006-06-13 |
| 6944538 | Navigation apparatus, navigation system and navigation method providing guidance for lane changes | Noboru Ishibashi, Takanori Kaji | 2005-09-13 |