Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699441 | Continuous sign-language recognition apparatus and input apparatus | Hirohiko Sagawa | 1997-12-16 |
| 5659764 | Sign language generation apparatus and sign language translation apparatus | Tomoko Sakiyama, Eiji Oohira, Hirohiko Sagawa, Masaru Ohki, Kazuhiko Sagara +3 more | 1997-08-19 |