SK

Seiji Kosugi

SK Shoketsu Kinzoku Kogyo Kabushiki Kaisha: 7 patents #1 of 25Top 4%
SM Smc: 1 patents #485 of 737Top 70%
Overall (All Time): #670,989 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4978148 Coupling for multi-passage tube Norio Ando, Hisao Sagara 1990-12-18
4823840 Changeover valve Yoshio Asou 1989-04-25
4796924 Coupling for multi-passage tube Norio Ando, Hisao Sagara 1989-01-10
4718451 Directional control valve 1988-01-12
4643393 Electromagnetic valve Tadao Suzuki 1987-02-17
4611631 Solenoid operated poppet type change-over valve Hideyuki Takata 1986-09-16
4476451 Solenoid actuator 1984-10-09
4442864 Electromagnetic switching valve 1984-04-17