Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817724 | Triangular pyramidal cube corner retroreflection element | Ikuo Mimura, Takashi Yoshioka, Akihiro Matsuda | 2004-11-16 |
| 6687512 | Subscriber terminal, base station, circuit mode switching method, and a wireless system utilizing said method | Masayuki Shinozaki | 2004-02-03 |