Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449509 | Method of traffic congestion estimation | Takamasa Koshizen, Katsuhiro Nishinari | 2016-09-20 |
| 9174550 | Electric vehicle driving support system | Takamasa Koshizen | 2015-11-03 |
| 5695631 | Process for producing petroleum needle coke | Hiroichi Miyasaka, Masami Kinouchi, Yoichi Ohashi, Takeshi Hori, Yuji Yamamura | 1997-12-09 |