YF

Yoshiki Fujioka

FA Fanuc: 24 patents #89 of 1,735Top 6%
FL Fujitsu Fanuc Limited: 22 patents #3 of 96Top 4%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Hino, JP: #3 of 13 inventorsTop 25%
Overall (All Time): #56,944 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
5440580 Laser discharge tube and electrode manufacturing method Norio Karube, Mitsuo Manabe 1995-08-08
5379316 Laser discharge tube Norio Karube, Mitsuo Manabe 1995-01-03
5153491 Main spindle control method Hironobu Takahashi 1992-10-06
5049800 Motor output changeover control apparatus Katsuo Kohari, Kosei Nakamura, Shinichi Kono, Tatsuo Shinohara 1991-09-17
5012173 Casing structure for an amplifier unit for an AC spindle Tatsuo Shinohara 1991-04-30
4975839 Instruction decode method and arrangement suitable for a decoder of microprocessors Yasuhiro Nakatsuka, Takashi Hotta, Tadaaki Bandoh 1990-12-04
4945190 Circuit board device for magnetics circuit and method of manufacturing same 1990-07-31
4928052 Power supply regenerating circuit Mitsuhiko Hirota 1990-05-22
4908734 Housing for motor control unit 1990-03-13
4837491 Motor velocity control apparatus Mitsuhiko Hirota 1989-06-06
4812975 Emulation method Shigemi Adachi, Yoshitake Nakaosa 1989-03-14
4800327 Three-phase induction motor control method Shinichi Kouno 1989-01-24
4757248 Induction motor torque control system Shinichi Kouno 1988-07-12
4703262 Mounting structure for spindle orientation magnetic sensor system Hiroshi Tokuoka 1987-10-27
4677540 AC motor control panel 1987-06-30
4672287 Induction motor digital control system Shinichi Kouno 1987-06-09
4651266 High-frequency noise absorbing circuit Tatsuo Shinohara 1987-03-17
4641069 Plural motor changeover control system Mitsuhiko Hirota 1987-02-03
4626762 AC motor control system Mitsuhiko Hirota 1986-12-02
4614020 Mechanism and method for automatically changing tools Shigeki Kawada 1986-09-30
4588937 Position control apparatus Naoto Ota, Mitsuhiko Hirota 1986-05-13
4581569 AC motor control apparatus Mitsuhiko Hirota 1986-04-08
4560927 Speed detecting apparatus Hiroshi Ishida, Naoto Ota 1985-12-24
4558269 Induction motor drive apparatus Hiroshi Ishida, Naoto Ota 1985-12-10
4501999 System for stopping spindle at commanded position Yoshinori Kohzai, Naoto Ota 1985-02-26