Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858182 | Wholly aromatic polyamide fibers excellent in processability and adhesiveness | Kotaro Takiue | 2010-12-28 |
| 7647209 | Signal separating apparatus, signal separating method, signal separating program and recording medium | Hiroshi Sawada, Shoko ARAKI, Ryo Mukai | 2010-01-12 |
| 7496482 | Signal separation method, signal separation device and recording medium | Shoko ARAKI, Hiroshi Sawada, Ryo Mukai | 2009-02-24 |
| 7039546 | Position information estimation device, method thereof, and program | Hiroshi Sawada, Ryo Mukai, Shoko ARAKI | 2006-05-02 |
| 6553122 | Method and apparatus for multi-channel acoustic echo cancellation and recording medium with the method recorded thereon | Suehiro Shimauchi, Yoichi Haneda, Yutaka Kaneda | 2003-04-22 |
| 6528113 | Process for producing an adhesive-treated polyester fiber cord | Hirosuke Watanabe, Toshimasa Kuroda | 2003-03-04 |
| 6246760 | Subband echo cancellation method for multichannel audio teleconference and echo canceller using the same | Suehiro Shimauchi, Yoichi Haneda, Akira Nakagawa, Junji Kojima | 2001-06-12 |
| 5818945 | Subband echo cancellation method using projection algorithm | Yoichi Haneda, Akira Nakagawa, Masashi Tanaka, Suehiro Shimauchi, Junji Kojima | 1998-10-06 |
| 5774561 | Subband acoustic echo canceller | Akira Nakagawa, Yoichi Haneda, Suehiro Shimauchi, Junji Kojima | 1998-06-30 |
| 5761318 | Method and apparatus for multi-channel acoustic echo cancellation | Suehiro Shimauchi, Junji Kojima | 1998-06-02 |
| 5721772 | Subband acoustic echo canceller | Yoichi Haneda, Akira Nakagawa, Suehiro Shimauchi, Junji Kojima | 1998-02-24 |
| 5661813 | Method and apparatus for multi-channel acoustic echo cancellation | Suehiro Shimauchi, Junji Kojima | 1997-08-26 |
| 5607634 | High speed process for producing polyester filaments | Katsutoshi Taniguchi | 1997-03-04 |
| 5602765 | Adaptive transfer function estimating method and estimating device using the same | Masashi Tanaka, Yutaka Kaneda, Yoichi Haneda, Junji Kojima | 1997-02-11 |
| 5539731 | Echo cancelling method and apparatus using fast projection scheme | Yoichi Haneda, Masashi Tanaka, Yutaka Kaneda | 1996-07-23 |
| 5507989 | High speed process for producing polyester filaments | Katsutoshi Taniguchi | 1996-04-16 |
| 5408530 | Echo cancelling method and echo canceller using the same | Yutaka Kaneda | 1995-04-18 |
| 5272695 | Subband echo canceller with adjustable coefficients using a series of step sizes | Yoichi Haneda, Yutaka Kanesa | 1993-12-21 |
| 5240770 | Surface-modified wholly aromatic polyamide fiber and method of producing same | Hiroyuki Moriga, Akira Kimura, Hirosuke Watanabe, Tadashi Hirakawa | 1993-08-31 |
| 5187692 | Acoustic transfer function simulating method and simulator using the same | Yoichi Haneda, Yutaka Kaneda | 1993-02-16 |
| 5080974 | Surface-modified wholly aromatic polyamide filaments | — | 1992-01-14 |
| 4670343 | Wholly aromatic polyamide fiber | Michikage Matsui, Shozaburo Hiratsuka | 1987-06-02 |
| 4525384 | Process for producing wholly aromatic polyamide filaments heat-treated under tension | Akihiro Aoki, Shozaburo Hiratsuka, Norihisa Yamaguchi | 1985-06-25 |