Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146170 | Method and apparatus for locating an abnormality in a gas-insulated electric device | Shuzuo Iwaasa, Tomoaki Utsumi, Fumihiro Endo | 1992-09-08 |
| 4947261 | Portable image input device | Yukio Kurata | 1990-08-07 |
| 4829256 | Insulation testing device for gas insulated apparatus | Tokio Yamagiwa | 1989-05-09 |
| 4818825 | Insulating spacers for use in gas-insulated electric apparatus | Tokio Yamagiwa | 1989-04-04 |
| 4672150 | Conductor supporting apparatus for gas insulated equipment | Tokio Yamagiwa, Fumihiro Endo | 1987-06-09 |
| 4667061 | Gas insulated apparatus with internal coated insulation layer of high dielectric constant | Fumihiro Endo, Tokio Yamagiwa, Yuzuru Kamata | 1987-05-19 |
| 4566864 | Electric fan device for automotive vehicle | Yosizi Yamamoto | 1986-01-28 |
| 4564721 | Gas-insulated electrical apparatus with electret for captivating conductive particles and method of removing such particles during assembly thereof | Fumihiro Endo, Tokio Yamagiwa, Yuzuru Kamata | 1986-01-14 |
| 4549132 | Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current | Tokio Yamagiwa, Jun Ozawa, Kaoru Endo, Masao Hosokawa | 1985-10-22 |
| 4508251 | Cable pulling/feeding apparatus | Kazuhiro Harada, Yuzoh Tsuchiya, Nobuo Sekiguchi | 1985-04-02 |
| 4345471 | Temperature measurement apparatus | Fumihiro Endo, Jun Ozawa, Yuzuru Kamata, Shigeo Shiono | 1982-08-24 |