Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737761 | Power load control system | Hirosato Yagi, Ryuzo Hagihara | 2004-05-18 |
| 6717982 | Data communication apparatus | Ryuzo Hagihara, Yasuhiro Yagi | 2004-04-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737761 | Power load control system | Hirosato Yagi, Ryuzo Hagihara | 2004-05-18 |
| 6717982 | Data communication apparatus | Ryuzo Hagihara, Yasuhiro Yagi | 2004-04-06 |