Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491458 | Printing system | Yasushi Hori | 2002-12-10 |
| 6268562 | Sealed container and method for assembling it | Koji Yokoyama, Hideaki Satou | 2001-07-31 |
| 5670767 | Gas-insulated switchgear with improved insulation joint | Masatomo Kobayashi, Hiromichi Hokuto, Yoichi Ohshita | 1997-09-23 |
| 5453910 | Gas insulated switchgear device | Syunji Itou, Hitoshi Kayaba, Masahiro Takahoshi, Hiroshi Suzuyama | 1995-09-26 |
| 5177664 | Gas insulated switchgear | Kenji Tsuchiya, Hiroshi Suzuyama | 1993-01-05 |
| 5134542 | Three-phase package-type gas-insulated switch gear having isolators being aligned in a first plane and earthing switches disposed laterally side by side on a second plane | Hiroshi Suzuyama, Osamu Mikami, Yoshirou Suzuki | 1992-07-28 |
| 5045968 | Gas insulated switchgear with bus-section-unit circuit breaker and disconnect switches connected to external lead-out means connectable to other gas insulated switchgear | Hiroshi Suzuyama, Yoshirou Suzuki, Takehiro Kikuchi | 1991-09-03 |
| 5001599 | Gas-insulated switchgear apparatus | Syunji Itou, Hiroshi Suzuyama | 1991-03-19 |
| 4967307 | Gas insulated switchgear apparatus | Syunji Itou, Yoshiro Suzuki | 1990-10-30 |
| 4888458 | Apparatus for disconnecting a switch of a high voltage electric circuit | Hiroshi Suzuyama, Osamu Mikami | 1989-12-19 |
| 4862319 | Gas-insulated switchgear | Hiroshi Suzuyama, Yoshirou Suzuki | 1989-08-29 |
| 4651255 | Connecting system for gas-insulated switchgear apparatus | Hiroshi Suzuyama | 1987-03-17 |
| 4577075 | Earthing switch for gas-insulated switchgear apparatus | Kenji Akita, Hiroshi Suzuyama | 1986-03-18 |
| 4458099 | Three-phase combined type gas insulated electrical apparatus | Susumu Takeuti, Takanobu Aoyama, Kazuaki Oishi | 1984-07-03 |
| 4215256 | Gas-insulated switchgear apparatus | Kazuaki Oishi, Seizo Nakano, Tuneo Kishi | 1980-07-29 |