Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8577944 | Signal processing device, signal processing method, and signal level display device | Shiro Suzuki | 2013-11-05 |
| 8521522 | Audio coding/decoding method and apparatus using excess quantization information | Shiro Suzuki, Keisuke Toyama, Mitsuyuki Hatanaka, Yuhki Mitsufuji | 2013-08-27 |
| 8237594 | Encoding apparatus, decoding apparatus, information processing system, and computer-readable storage medium | Shiro Suzuki, Yasuhiro Toguri, Yuuji Maeda | 2012-08-07 |
| 7564973 | Digital watermark embedding device and digital watermark embedding method | Osamu Nakamura, Shunichi Soma, Takashi Kohashi | 2009-07-21 |
| 7336799 | Digital watermark embedding device and digital watermark embedding method | Osamu Nakamura, Syunichi Souma, Takashi Kohashi | 2008-02-26 |
| 7272718 | Device, method and storage medium for superimposing first and second watermarking information on an audio signal based on psychological auditory sense analysis | Hideo Sato | 2007-09-18 |
| 6996250 | Digital watermark embedding processor, digital watermark detecting processor, digital watermark embedding-processing method, digital watermark detecting-processing method, and program storage medium and program used therewith | Osamu Nakamura, Yoichi Nishino, Takashi Kohashi, Shunichi Soma | 2006-02-07 |
| 6359849 | Signal processing apparatus, recording medium, and signal processing method | Hideo Sato | 2002-03-19 |