Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681753 | Hybrid hydrogen storage container and method of storing hydrogen in container | Tomoyuki Yokota, Kenjiro Hamada, Nobuhiro Kuriyama, Hiroyuki Takeshita, Nobuhiko Takeichi +1 more | 2010-03-23 |
| 6304547 | Communication network system and controlling of communication path therefor | Kazuo Uwajima | 2001-10-16 |
| 6038237 | Voice signal transmitting method and exchange system using this | Keiichi Obara | 2000-03-14 |
| 4779263 | Time division multiplexer including a repeating adapter | Takashi Manabe | 1988-10-18 |