Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879119 | Image tone conversion apparatus, recording medium, and system | — | 2014-11-04 |
| 6658410 | System and method for intermediating information | Katsuya Sakamaki, Kazuhiko Wakui | 2003-12-02 |
| 5867209 | Television telephone which displays image data having a first precision degree and image data having a second precision degree on a respective display region of a display screen | Yuichiro Irie, Shigenori Morikawa, Shigeki Kurahashi | 1999-02-02 |