Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343068 | Guard apparatus for avoiding malfunction in optical communication system | Chiyoko Yamamoto | 2002-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343068 | Guard apparatus for avoiding malfunction in optical communication system | Chiyoko Yamamoto | 2002-01-29 |