Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677954 | Cryptical control method for personal communication | Shoichi Hirata, Yasuyuki Uchiyama, Masami Yabusaki | 1997-10-14 |
| 5649301 | Mobile communication method for controlling origination or termination of a call in a desired network | Masami Yabusaki, Yasuo Maruyama, Shoichi Hirata, Hiroshi Nakamura, Yasuyuki Uchiyama +1 more | 1997-07-15 |