FT

Fumihiko Takahashi

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
5M 501 Hitachi Metals: 1 patents #1 of 21Top 5%
HK Hitachi Metals Kiko: 1 patents #2 of 9Top 25%
Overall (All Time): #1,054,650 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5691581 Arm assembly and voice coil motor Teruo Umehara 1997-11-25
5165090 Swing-type actuator Teruo Umehara 1992-11-17
5148071 Swing-type actuator with thin reinforced movable coil 1992-09-15
5122703 Integrally molded armature for swing-type actuator Koichi Oda, Saburo Okada 1992-06-16
5113162 Focus magnet with separate static and dynamic control coils Teruo Umehara 1992-05-12