Sadaji Hayama
10Patents
8h-index
9Co-inventors
61Inventor score
Filing activity: Mar 31, 1983 → Dec 13, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5952804A | Servo control method and servo control system for feed drive system | Physics | 33 | Expired |
| US6701212B2 | Lost motion correction system and lost motion correction method for numerical control machine tool | Physics | 20 | Expired |
| US4548532A | Attachments for fitting tools to spindles | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5920169A | Servomotor control method | Physics | 13 | Expired |
| US6034498A | Servo adjustment method and apparatus therefor | Physics | 12 | Expired |
| US4741220A | Hydrostatic pressure worm-rack devices | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6147468A | Servo control method for orbital machining with cutting tool and servo control system for orbital machining | Physics | 12 | Expired |
| US5936366A | Servo adjustment method and apparatus thereof | Physics | 11 | Expired |
| US5313403A | Numerical control apparatus having a circular interpolation locus display function and control method thereof | Physics | 7 | Expired |
| US6606535B1 | Numerical control apparatus and feed control processing method therefor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.