Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940360 | Two-port isolator and method for evaluating it | Shigeru Takeda, Yukinori Arita, Shinichirou Takeuchi, Yasushi Kishimoto, Shinji Yamamoto | 2005-09-06 |
| 6894578 | Irreversible circuit module including a directional coupler | Yasushi Kishimoto, Hiroyuki Itoh, Manabu Yumoto, Youichi Takahashi, Shinichirou Takeuchi | 2005-05-17 |
| 6731183 | Non-reciprocal circuit device and wireless communications equipment comprising same | Shuichi Watanabe, Yuta Sugiyama, Koji Ichikawa, Hiroyuki Itoh | 2004-05-04 |