Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111488 | Electromagnetic contactor | Yutaka Nakamura, Kouetsu Takaya | 2000-08-29 |
| 5945900 | Electromagnetic contactor | Katsumi Shibata, Noriyoshi Machida, Makoto Kawasaki, Etsuya Hiramatsu | 1999-08-31 |
| 5934948 | Terminal device for electric equipment | Etsuya Hiramatsu, Katsumi Shibata, Makoto Kawasaki | 1999-08-10 |
| 5704815 | Terminal device for electrical apparatus | Katsumi Shibata, Makoto Kawasaki, Etsuya Hiramatsu | 1998-01-06 |
| 5235304 | Dust preventing device for electromagnetic contactor | Shigeaki Ohtake, Chuuji Nozukidaira | 1993-08-10 |
| 5227757 | Terminal Device | Shigeaki Ohtake, Kuniyuki Kogawa | 1993-07-13 |
| 5216398 | Mutual locking device for electromagnetic contactors | — | 1993-06-01 |
| 5145057 | Auxiliary contact unit for an electromagnetic switch | Kuniyuki Kogawa, Shigeaki Ohtake | 1992-09-08 |
| 4992765 | Electromagnetic contactor | Kuniyuki Kogawa, Shigeaki Otake | 1991-02-12 |
| 4954798 | Device for coupling reversible electromagnetic contactors to each other with an interlock unit | Mitsuharu KASAHARA, Kuniyuki Kogawa | 1990-09-04 |
| 4899120 | Electromagnetic contactor | Shigeaki Ohtake, Kuniyuki Kogawa | 1990-02-06 |
| 4730175 | Polarized electromagnet device | Haruo Ichikawa | 1988-03-08 |