KF

Katsuhiro Fujikawa

Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
MA Maxell: 1 patents #286 of 437Top 70%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
Overall (All Time): #598,659 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12249725 All-solid-state battery Takuma Morishita, Takumi Otsuka 2025-03-11
4915045 Sewing machine control device 1990-04-10
4706588 Fast-release sewing machine control device 1987-11-17
4648339 Speed control apparatus for sewing machine 1987-03-10
4545314 Control system for sewing machines 1985-10-08
4530297 Speed control apparatus for sewing machine 1985-07-23
4509445 Sewing machine control device Osamu Gohda 1985-04-09
4469038 System for controlling a sewing machine 1984-09-04