Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577668 | Information transmission system and information transmission method | Yutaka Sato, Masahiro Nagasu, Keiji Ishida, Toshiyuki Murakami | 2009-08-18 |
| 7336156 | Communication apparatus, communication method and installation method of railway vehicle-facility intra communication system | Setsuo Arita, Yuji Ichinose, Daisuke Shinma, Naoyuki Yamada, Hiroyuki Akiyama | 2008-02-26 |
| 5299287 | Information processing system | Setsuo Tsuruta, Kiyomi Kishi, Kuniaki Matsumoto, Kiminori Nakamura | 1994-03-29 |