Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262973 | SDH wireless transmission apparatus | Yuji Shiraishi, Ichiro Ayukawa, Hisamichi Hazama, Kimio Watanabe, Shingo Mizuno +1 more | 2001-07-17 |
| 6128284 | SDH-communication-network/already existing communication network monitoring and integrating apparatus and its method | Kazutoshi Kawamura, Ichiro Ayukawa, Shingo Mizuno, Hisamichi Hazama, Kimio Watanabe | 2000-10-03 |