Katsuya Iida
33Patents
6h-index
67Co-inventors
72Inventor score
Filing activity: May 18, 1992 → Apr 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5321354A | Method for inspecting semiconductor devices | Physics | 34 | Expired |
| USD664169S1 | Linear actuator | General | 24 | Active |
| US6658583B1 | PWM control circuit, microcomputer and electronic equipment | Physics | 23 | Expired |
| US6132093A | Linear motion guiding apparatus | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7017069B2 | PWM control circuit, microcomputer and electronic equipment | Physics | 19 | Expired |
| US6733179B2 | Rolling element interference preventer and a guide device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6830378B2 | Method of manufacturing rolling element string | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6732599B2 | Wiper ring and ball screw provided with wiper ring | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7040189B2 | Circulation member of ball screw and ball screw using same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6524003B2 | Linear motion guiding apparatus | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7883269B2 | Structure for closing a rail mounting hole | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US5575825A | Abrasive | Chemistry; Metallurgy | 3 | Expired |
| US8408087B2 | Screw device with sound insulating member | Emerging Cross-Sectional Technologies | 3 | Active |
| US8302498B2 | Sealed linear actuator unit | Emerging Cross-Sectional Technologies | 3 | Active |
| US11242919B2 | Diagnosis system for ball screw unit and motor control system | Electricity | 3 | Active |
| US7649290B2 | Bearing bush and compound movement using the same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6305846A | Linear motion guiding apparatus | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8033195B2 | Low-noise screw device | Emerging Cross-Sectional Technologies | 2 | Active |
| US9797447B2 | Bearing for vertical axis windmill and vertical axis wind power generator | Emerging Cross-Sectional Technologies | 2 | Active |
| US6976399B2 | Wiper ring and ball screw provided with wiper ring | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8764302B2 | Tape-shaped molding and belt for ball chain | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7798719B2 | Method of manufacturing linear guide device and track rail for the linear guide device | Emerging Cross-Sectional Technologies | 1 | Active |
| US7461572B2 | Rolling body screw device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9506544B2 | Seal member and linear motion guide device using same | Emerging Cross-Sectional Technologies | 1 | Active |
| US6892596B2 | Rolling element interference preventer and a guide device | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.