Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664493 | Gas-insulated switchgear | Hitoshi Yamada, Toshihisa Miyamoto, Isamu Ozawa, Chikara Fujisawa | 2003-12-16 |
| 6624372 | Gas insulated switchgear | Takemasa Ogawa, Kazuhiko Takahashi | 2003-09-23 |
| 6509522 | Three-phase integrated gas insulated bus | Hitoshi Yamada, Toshihisa Miyamoto, Isamu Ozawa | 2003-01-21 |