Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640684 | Radio data communication system comprising a common base radio station and handy radio terminals | Koji Konosu, Takeshi Watanabe, Yukiko Uno, Yoshimi Kitazumi | 1997-06-17 |
| 5597997 | Optical information reader | Kenzo Obata, Yosimi Kitazumi, Takeshi Watanabe, Kouji Teramae | 1997-01-28 |