Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7448226 | Refrigerator | Jun Yamashita, Yasushi Takagi, Munehiro Horie, Tsutomu Sakuma | 2008-11-11 |
| 7143591 | Refrigerator | Hikaru Nonaka, Shinji Hirai, Yoshihiko Uenoyama, Tsutomu Sakuma, Shoji Hashimoto | 2006-12-05 |
| 6923015 | Refrigerator | Shunji Ueno, Katsushi Sumihiro | 2005-08-02 |
| 5535283 | Active noise attenuating device | Yasuyuki Sekiguchi | 1996-07-09 |
| 5517571 | Active noise attenuating device of the adaptive control type | Yasuyuki Sekiguchi | 1996-05-14 |
| 5499301 | Active noise cancelling apparatus | Yuko Sudo, Yasuyuki Sekiguchi | 1996-03-12 |
| 5251262 | Adaptive active noise cancellation apparatus | Seiichirou Suzuki, Hiroshi Tamura | 1993-10-05 |
| 5129003 | Active noise control apparatus for domestic appliance | — | 1992-07-07 |