Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767762 | Overcurrent relay having a bimetal a resetting member and an accelerating mechanism | — | 1998-06-16 |
| 5535083 | Magnetic coil assembly with surge absorber | Shigeharu Ootsuka | 1996-07-09 |
| 5376024 | Terminal connecting device | Shigeharu Ohtsuka, Hiroyuki Okado, Naoki Itoh | 1994-12-27 |
| 5266058 | Terminal connecting device | Shigeharu Ohtsuka, Hiroyuki Okado, Naoki Itoh | 1993-11-30 |
| 5264985 | Apparatus for increasing effective insulation between terminal plates | Shigeharu Ootsuka | 1993-11-23 |
| D317438 | Plug-in terminal type electromagnetic contactor | — | 1991-06-11 |
| 4969844 | Electromagnetic contector | Shigeharu Ootsuka | 1990-11-13 |
| 4954668 | Apparatus for resetting appliance | — | 1990-09-04 |
| 4845455 | Thermally-sensible overcurrent protective relay including heater holder | Shigeharu Ootsuka | 1989-07-04 |
| 4808961 | Thermally-sensible overcurrent protective relay including contact toggle mechanism | Kiyohide Tsutsumi, Shigeharu Ootsuka | 1989-02-28 |
| 4788518 | Thermally-sensitive overcurrent protective relay including wire connection terminal | Haruhiko Ito, Mineo Sano | 1988-11-29 |
| 4785274 | Thermally-sensible overcurrent protective relay including automatic resetting mechanism | Haruhiko Ito, Mineo Sano | 1988-11-15 |
| 4671697 | Apparatus for mounting electrical appliance on frame | Isao Ando, Hiroaki Tazawa, Shigeharu Ootsuka, Yuji Mizuno, Kosaku Ikeda | 1987-06-09 |
| 4654744 | Electromagnetic contactor | Hiroyuki Okado, Shizutaka Nishizako, Masahiro Kakizoe | 1987-03-31 |
| 4652847 | Thermal-type overload relay | — | 1987-03-24 |
| 4642429 | Switch | Teijiro Mori, Yuichi Wada, Hiroaki Tazawa, Hiroyuki Okado | 1987-02-10 |
| 4642597 | Overcurrent relay | — | 1987-02-10 |
| 4635020 | Thermal-type over load relay | — | 1987-01-06 |
| 4506243 | Electromagnetic contactor | Hiroyuki Okado, Masahiro Kakizoe, Shigeharu Otsuka | 1985-03-19 |
| 4477704 | Power switching device | Teijiro Mori, Shigeru Masuda, Hiroyuki Okado, Masahiro Kakizoe | 1984-10-16 |
| 4429198 | Power switchgear | Teijiro Mori, Shigeru Masuda, Hiroyuki Okado, Masahiro Kakizoe | 1984-01-31 |