Jun Fujita
101Patents
12h-index
124Co-inventors
89Inventor score
Filing activity: Oct 17, 1986 → Nov 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5065271A | Thin film magnetic head apparatus and method of manufacturing the same | Physics | 53 | Expired |
| US5952804A | Servo control method and servo control system for feed drive system | Physics | 33 | Expired |
| US5352394A | Injection molding method and apparatus with magnetic mold clamping | Performing Operations; Transporting | 29 | Expired |
| US6597968B2 | Numerical control apparatus and control method of machine tool | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5827020A | Numerical control apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5237509A | Method and apparatus for compensating positional errors | Physics | 24 | Expired |
| US5059881A | Numerical control apparatus having a backlash compensation function and method thereof | Physics | 20 | Expired |
| US5153490A | Numerical control apparatus of machines | Physics | 20 | Expired |
| US5920169A | Servomotor control method | Physics | 13 | Expired |
| US6147468A | Servo control method for orbital machining with cutting tool and servo control system for orbital machining | Physics | 12 | Expired |
| US4808895A | Acceleration control apparatus | Electricity | 12 | Expired |
| US6034498A | Servo adjustment method and apparatus therefor | Physics | 12 | Expired |
| US5936366A | Servo adjustment method and apparatus thereof | Physics | 11 | Expired |
| US6029098A | Numerical controller for automatic axial feed | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6738679B2 | Positional control system and positional control method | Physics | 11 | Expired |
| US4742285A | Full follow-up type servo-system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5994863A | Numerical control unit | Physics | 10 | Expired |
| US6469467B1 | Servo control apparatus and method of stabilizing same | Physics | 9 | Expired |
| US6889115B2 | Position control apparatus and position control method | Physics | 8 | Expired |
| US6999843B2 | Numerical control apparatus and CAM system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6556879B1 | Numerical controlling unit using machining information | Physics | 8 | Expired |
| US4743823A | Method and device for correcting backlash | Physics | 8 | Expired |
| US6631771B2 | Controller and control method for orbit boring | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7138168B2 | Honeycomb structure body and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5313403A | Numerical control apparatus having a circular interpolation locus display function and control method thereof | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.