Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5208524 | Current control apparatus for PWM control | Hironobu Takahashi | 1993-05-04 |
| 5132599 | Velocity control apparatus | Hironobu Takahashi | 1992-07-21 |
| 5099185 | Alternating current motor control method | Hironobu Takahasi | 1992-03-24 |
| 5093972 | Tapping control unit | Masahiro Kaku, Masaaki Fukukura | 1992-03-10 |
| 5093608 | Motor control apparatus | Hironobu Takahashi | 1992-03-03 |
| 5083066 | Method of controlling synchronous operation of machine tool | Katsuo Kohari, Masaaki Fukukura | 1992-01-21 |
| 5081407 | Numerical control apparatus | Hironobu Takahashi | 1992-01-14 |
| 5068587 | Spindle drive control apparatus for a machine tool | Kosei Nakamura, Kazuhisa Numai | 1991-11-26 |
| 5049800 | Motor output changeover control apparatus | Katsuo Kohari, Kosei Nakamura, Yoshiki Fujioka, Tatsuo Shinohara | 1991-09-17 |
| 5030900 | Spindle orientation control apparatus | Hironobu Takahashi | 1991-07-09 |
| 5027680 | Machine tool with two spindles | Katsuo Kohari, Hironobu Takahashi | 1991-07-02 |
| 5010286 | Method of synchronous control of spindle motor and feed motor | Kosei Nakamura, Kazuhisa Numai, Masami Kimijima | 1991-04-23 |
| 4379852 | Boride-based refractory materials | Tadahiko Watanabe | 1983-04-12 |
| 4292081 | Boride-based refractory bodies | Tadahiko Watanabe | 1981-09-29 |