Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D671172 | Twin-display | Katsumi Takahashi, Toshiaki Shimizu, Takashi Nishitsuji, Masao Mizoguchi | 2012-11-20 |
| D626602 | Twin-display | Katsumi Takahashi, Toshiaki Shimizu, Takashi Nishitsuji, Masao Mizoguchi | 2010-11-02 |