Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D557676 | Conference telephone | Syohei Suzuki, Yasuhiro Sota, Keiichi Nakayama, Hironori Ohata, Tsutomu Irishima | 2007-12-18 |
| 6591240 | Speech signal modification and concatenation method by gradually changing speech parameters | — | 2003-07-08 |
| 6139963 | Polyvinyl alcohol hydrogel and process for producing the same | Hiroaki Fujii, Keiko Oka | 2000-10-31 |
| 6081781 | Method and apparatus for speech synthesis and program recorded medium | Kimihito Tanaka | 2000-06-27 |
| 6007712 | Waste water treatment apparatus | Eiji Tanaka, Tamio Higashi, Takanori Kitamura, Takeshi Matsuda, Hiroaki Fujii +3 more | 1999-12-28 |
| 6004687 | Cylindrical alkaline battery | Hirofumi Iwaki, Takeshi Okubo, Yoko Noda | 1999-12-21 |
| 5940797 | Speech synthesis method utilizing auxiliary information, medium recorded thereon the method and apparatus utilizing the method | — | 1999-08-17 |
| 5725966 | Heat sensitive jacket label for battery and battery with the same | Takeshi Okubo, Carl David Walton, Junichi Asaoka, Yasuhiko Shoji, Tetsuo Hata +2 more | 1998-03-10 |
| 5581652 | Reconstruction of wideband speech from narrowband speech using codebooks | Yuki Yoshida | 1996-12-03 |
| 5307442 | Method and apparatus for speaker individuality conversion | Shigeki Sagayama | 1994-04-26 |
| 5296569 | Complex microspheres, method of making same, and thermoplastic films containing same | Ippei Noda, Fumitoshi Sugiura | 1994-03-22 |