Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813748 | Group communications switching method, subscriber terminal and server used for the method | Takahito Suzuki, Saiki Kawamura, Naoyuki Kakizaki, Yayoi Itoh, Kiyomi Hasesaka +6 more | 2010-10-12 |
| 6636588 | Intelligent network system | Shouichi Kimura, Yayoi Itoh, Kiyoshi Oshimi, Nobuaki Kitazumi, Michiko Osawa | 2003-10-21 |
| 6058412 | Service management system and process control system for intelligent network system | Takashi Kojima, Masashi Nakano, Shouichi Kimura, Miki Kidachi, Akira Nagasawa +1 more | 2000-05-02 |
| 5815560 | Communication service control apparatus | Sadayo Kasai, Yoshihiro Kawanabe | 1998-09-29 |