Ken Maeda
23Patents
8h-index
46Co-inventors
75Inventor score
Filing activity: Apr 14, 1983 → Jun 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5021993A | Device for saving and restoring register information | Physics | 59 | Expired |
| US4752957A | Apparatus and method for recognizing unknown patterns | Physics | 41 | Expired |
| US4543660A | Pattern features extracting apparatus and method | Physics | 34 | Expired |
| US6660949B2 | Safety switch actuator | Electricity | 28 | Expired |
| US4607385A | Character recognition apparatus | Physics | 17 | Expired |
| US4945510A | Register device | Physics | 13 | Expired |
| US4992977A | Cache memory device constituting a memory device used in a computer | Physics | 9 | Expired |
| US8674636B2 | Power conversion device | Emerging Cross-Sectional Technologies | 8 | Active |
| US5717625A | Semiconductor memory device | Physics | 7 | Expired |
| US9419535B2 | Electric power converter | Electricity | 5 | Active |
| US9999150B2 | Electric power converter | Electricity | 5 | Active |
| US6627830B2 | Push button and teaching pendant with the push button | Electricity | 4 | Expired |
| US9159506B2 | Capacitor module and power conversion device | Emerging Cross-Sectional Technologies | 3 | Active |
| US9246408B2 | Power conversion apparatus | Electricity | 3 | Active |
| US8038101B2 | Attitude change control method, attitude change control system, attitude change control program and program recording medium | Performing Operations; Transporting | 2 | Active |
| US6911609B2 | Grip type switch device and controller for industrial machinery using the switch device | Electricity | 2 | Expired |
| US10309798B2 | Navigation system, aerospace vehicle and optical marker | Physics | 2 | Active |
| US8623782B2 | Process for preparing copper-based catalyst, copper-based catalyst, and pretreatment method of the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US8186627B2 | Attitude control data creating method, and attitude control system applying the method | Performing Operations; Transporting | 1 | Active |
| US7019227B2 | Enabler of teaching pendant | Electricity | 1 | Expired |
| US7300998B2 | Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9950963B2 | Thermal insulator and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11351559B2 | Rotary atomization head and coating device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.