Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631505 | Simulation circuit for MOS transistor, simulation testing method, netlist of simulation circuit and storage medium storing same | — | 2003-10-07 |
| 6584210 | Digital watermark image processing method | Junichi Taguchi, Hiroshi Yoshiura, Isao Echizen, Akira Maeda, Toshifumi Takeuchi | 2003-06-24 |
| 6578149 | METHOD FOR REPRODUCING DATA, APPARATUS FOR REPRODUCING DATA, METHOD FOR CODING DATA, METHOD FOR RECORDING DATA, APPARATUS FOR RECORDING AND REPRODUCING DATA, METHOD FOR AUTHENTICATION, SEMICONDUCTOR CHIP, REPRODUCING APPARATUS, RECORDING APPARATUS AND DATA PROCESSING APPARATUS | Osamu Kawamae, Toshifumi Takeuchi, Hiroyuki Kimura, Hiroshi Yoshiura | 2003-06-10 |
| 6535614 | Method and apparatus for recording and reproducing electronic watermark information, and recording medium | Hiroyuki Kimura, Toshifumi Takeuchi, Hiroshi Yoshiura | 2003-03-18 |
| 6519351 | Method and apparatus for recording and reproducing electronic watermark information, and recording medium | Hiroyuki Kimura, Toshifumi Takeuchi, Hiroshi Yoshiura | 2003-02-11 |