Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817787 | Voice mail apparatus and control method of voice mail apparatus | Akira Takahashi, Hiroki Ida, Nobuhiro Masaki, Norimassa Niiya, Noriaki Ikeda +1 more | 2010-10-19 |
| 7520096 | Sound insulating floor structure | Hiroaki Hiraguri | 2009-04-21 |