Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689572 | Method of actively controlling noise, and apparatus thereof | Katsuo Ohki, Shinichi Shimode, Osamu Sekiguchi, Masanori Watanabe, Takahiro Daikoku +2 more | 1997-11-18 |
| 5595473 | Centrifugal fluid machine | Yoshihiro Nagaoka, Sadashi Tanaka, Michiaki Ida, Hirotoshi Ishimaru, Saburo Iwasaki +2 more | 1997-01-21 |