Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225067 | Method for manufacturing iron-zinc alloy plated steel sheet having two plating layers and excellent in electropaintability and press-formability | Masaru Sagiyama, Masaki Abe, Akira Hiraya, Masaya Morita | 1993-07-06 |
| 4986341 | Process for making non-oriented high silicon steel sheet | Sadakazu Masuda, Fumio Fujita, Masamoto Kamata, Masahiko Yoshini, Takashi Ariizumi +2 more | 1991-01-22 |
| 4773948 | Method of producing silicon iron sheet having excellent soft magnetic properties | Kazuhide Nakaoka, Yoshikazu Takada, Akira Hiura | 1988-09-27 |
| 4715905 | Method of producting thin sheet of high Si-Fe alloy | Kazuhide Nakaoka, Yoshikazu Takada, Akira Hiura | 1987-12-29 |
| 4709295 | Digital protective relay system | Mitsuru Yamaura, Hachidai Ito | 1987-11-24 |
| 4561120 | Protective relaying system | Fumio Andow | 1985-12-24 |
| 4420805 | Protective relaying system | Mitsuru Yamaura, Ryotaro Kondow | 1983-12-13 |
| 4419737 | Setting device for protective control system | Mitsuru Yamaura, Ryotaro Kondow, Kunio Matsuzawa | 1983-12-06 |
| 4418395 | Digital data processing system with a value setting unit for protecting and controlling an electric power system | — | 1983-11-29 |
| 4371926 | Input/output information indication system | Mitsuru Yamaura, Ryotaro Kondow, Eiichi Okamoto | 1983-02-01 |
| 4314301 | Protective relaying devices | Ryotaro Kondow | 1982-02-02 |