| 5163175 |
Switch |
Tatsuya Hayashi, Masahiro Kakizoe, Shigeharu Ohtsuka, Shigeru Masuda |
1992-11-10 |
| 5003137 |
Switch |
Tokio Tateishi, Shizutaka Nishizako, Harumi Hiraki, Shigeru Masuda, Syunichi Sutoh |
1991-03-26 |
| 4652707 |
Power switch |
Yuichi Wada, Shizutaka Nishizako, Masahiro Kakizoe, Shigeru Masuda |
1987-03-24 |
| 4642429 |
Switch |
Yuichi Wada, Yuji Sako, Hiroaki Tazawa, Hiroyuki Okado |
1987-02-10 |
| 4628163 |
Power switch |
Yuichi Wada, Masahiro Kakizoe, Shigeru Masuda, Shizutaka Nishizako |
1986-12-09 |
| 4616203 |
Electromagnetic contactor |
Masahiro Kakizoe, Shizutaka Nishizako, Shigeru Masuda, Yuichi Wada |
1986-10-07 |
| 4612427 |
Switch |
Hiroyuki Okado, Shizutaka Nishizako, Shigeharu Otsuka, Shigeru Masuda |
1986-09-16 |
| 4596909 |
Electromagnetic contactor |
Masahiro Kakizoe, Shizutaka Nishizako, Yuichi Wada, Shigeru Masuda |
1986-06-24 |
| 4560847 |
Power switch |
— |
1985-12-24 |
| 4539451 |
Switch |
Yuichi Wada, Shizutaka Nishisako, Hiroaki Tazawa, Shigeru Masuda |
1985-09-03 |
| 4521655 |
Electric power switch with slotted commutation end plate |
Hiroyuki Okado, Shigeru Masuda |
1985-06-04 |
| 4489225 |
Electromagnetic contactor |
Shigeru Masuda, Hiroyuki Okado |
1984-12-18 |
| 4477704 |
Power switching device |
Shigeru Masuda, Hiroyuki Okado, Masahiro Kakizoe, Yuji Sako |
1984-10-16 |
| 4429198 |
Power switchgear |
Shigeru Masuda, Hiroyuki Okado, Masahiro Kakizoe, Yuji Sako |
1984-01-31 |
| 4263574 |
Slit type current limiting fuse |
Yuichi Wada, Suenobu Hamano |
1981-04-21 |
