Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302135 | Digital broadcast receiver | — | 2012-10-30 |
| 7602813 | Decoder device | Tetsutaka Yabuta | 2009-10-13 |
| 7140034 | Peripheral for portable viewing apparatus and broadcasting viewing system | Naoaki Mitsui, deceased, Tsuneyasu Inukai, Ichiro Kajitani, Yukinori Tokazu, Ko Matsuoka +2 more | 2006-11-21 |
| 6088481 | Handwritten character input device allowing input of handwritten characters to arbitrary application program | Masayoshi Okamoto, Hiroshi Horii | 2000-07-11 |
| 5502461 | Hand written character input system/allowing change of size of character writing frames | Masayoshi Okamoto, Takatoshi Yoshikawa, Hiroshi Horii | 1996-03-26 |