SA

Shumi Akazawa

RY Ryobi: 13 patents #16 of 309Top 6%
📍 Fuchu, JP: #93 of 926 inventorsTop 15%
Overall (All Time): #390,692 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5669453 Power carving tool 1997-09-23
5662440 Router attachment Naoki Kikuchi, Kenneth M. Brazell 1997-09-02
5441828 Electrode terminal holder for battery drive tool 1995-08-15
5360073 Battery type screw driver 1994-11-01
5230261 Electric power tool Nobuto Kai 1993-07-27
D314498 Portable electric drill Kiyoshi Hoshino 1991-02-12
D299808 Electric drill Kiyoshi Hoshino 1989-02-14
D296413 Electric drill Kiyoshi Hoshino 1988-06-28
4747733 Electric drill's chuck key holding device 1988-05-31
D295364 Electric drill Kiyoshi Hoshino 1988-04-26
D295141 Electric drill Kiyoshi Hoshino 1988-04-12
4726794 Socket for an electric charger of a battery Masaharu Narisue 1988-02-23
D279957 Driver drill Kiyoshi Hoshino 1985-08-06