Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11462228 | Speech intelligibility calculating method, speech intelligibility calculating apparatus, and speech intelligibility calculating program | Shoko ARAKI, Tomohiro Nakatani, Keisuke Kinoshita, Toshie Matsui, Katsuhiko Yamamoto | 2022-10-04 |
| 8781819 | Periodic signal processing method, periodic signal conversion method, periodic signal processing device, and periodic signal analysis method | Hideki Kawahara, Masanori Morise, Toru Takahashi | 2014-07-15 |
| 7085721 | Method and apparatus for fundamental frequency extraction or detection in speech | Hideki Kawahara | 2006-08-01 |
| 6675140 | Mellin-transform information extractor for vibration sources | Roy D. Patterson | 2004-01-06 |