Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331639 | Method and apparatus for frame phase conversion of signal having frame structure | Yukio Nakano, Keiichi Ishida, Takashi Mori, Yoshihiro Ashi, Tadayuki Kanno +1 more | 1994-07-19 |
| 5315581 | Hit-less protection switching method and apparatus for ATM transmission lines | Yukio Nakano, Akihiko Takase, Junichirou Yanagi | 1994-05-24 |