Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693250 | Hybrid gas insulation switchgear apparatus | Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Osamu Nakano | 2004-02-17 |
| 6521855 | Hybrid gas insulation switchgear apparatus | Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Osamu Nakano | 2003-02-18 |
| 6459568 | Hybrid type gas insulation switch gear apparatus | Kozo Matsushita, Shinsuke Uchino, Masaru Nozawa, Akihiro Yoshimi, Atsushi Abumiya +2 more | 2002-10-01 |