Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7127070 | Loudspeaker broadcasting system and loudspeaker broadcasting apparatus | Tsuyoshi Kimura, Kuniaki Ohsawa | 2006-10-24 |
| 5590407 | Drive through wireless order taking system | Hideaki Ishikawa | 1996-12-31 |