P

Inventor

KOIWA KENJI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “KOIWA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMC CORP

3 patents
US6497172B2Dec 24, 2002

Rotary actuator with cushion mechanism

SMC CORP6 citations72
US6435072B2Aug 20, 2002

Rotary actuator with cushion mechanism

SMC CORP7 citations72
US6431048B2Aug 13, 2002

Combination actuator with speed variable mechanism

SMC CORP0 citations36

KOIWA KENJI

1 patent
US3935925AFeb 3, 1976

Horn unit for a speaker

KOIWA KENJI7 citations63