Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477239 | Sign language telephone device | Masaru Ohki, Hirohiko Sagawa, Tomoko Sakiyama, Hisashi Ikeda, Nobuo Hataoka +1 more | 2002-11-05 |
| 6470091 | Address reader, sorting machine such as a mail thing and character string recognition method | Masashi Koga, Tatsuhiko Kagehiro, Yoh Ueda, Shigeru Watanabe | 2002-10-22 |