Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649853 | Combined type fluid pressure driving apparatus | Hirokazu Takagi, Yoshikata Kobayashi, Fumio Nakajima, Tsutomu Tanaka, Masaharu Shimizu +1 more | 2003-11-18 |
| 6538224 | Hybrid type gas insulation switch gear apparatus | Kozo Matsushita, Hiroshi Murase | 2003-03-25 |
| 6521855 | Hybrid gas insulation switchgear apparatus | Kozo Matsushita, Katsumi Suzuki, Kenji Arai, Osamu Nakano, Kazutoshi Ogata | 2003-02-18 |