Makoto Okeya
21Patents
9h-index
17Co-inventors
72Inventor score
Filing activity: Sep 16, 1994 → Mar 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6320822A | Electronic equipment and control method for electronic equipment | Physics | 66 | Expired |
| US5545983A | Displacement sensor with temperature compensation by combining outputs in a predetermined ratio | Physics | 51 | Expired |
| US6693851B1 | Electronic device and control method for electronic device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6424600B1 | Portable electronic device and control method for controlling the portable electronic device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5581180A | Horizontal and vertical displacement detector of wire rope | Performing Operations; Transporting | 16 | Expired |
| US7079451B2 | Time measurement device and method of controlling the time measurement device | Physics | 15 | Expired |
| US7119475B2 | Driving method of piezoelectric actuator, driving apparatus of piezoelectric actuator, electronic watch, electronics, control program of piezoelectric actuator, and storage medium | Electricity | 15 | Expired |
| US6262554A | Electronic device and method of controlling the same | Physics | 13 | Expired |
| US6343051B1 | Portable electronic device and control method for the portable electronic device | Physics | 10 | Expired |
| US6396772B1 | Electronic apparatus and control method for electronic apparatus | Physics | 9 | Expired |
| US6628572B1 | Electronic equipment and method of controlling electronic equipment | Electricity | 8 | Expired |
| US6327225A | Electronic unit, and control method for electronic unit | Physics | 7 | Expired |
| US6462967B1 | Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepiece | Physics | 7 | Expired |
| US6367967B1 | Time-measurement device and method of controlling the same | Physics | 6 | Expired |
| US6278663A | Electronic apparatus and control method for electronic apparatus | Physics | 6 | Expired |
| US7675218B2 | Drive apparatus of piezoelectric actuator, electronic apparatus, drive method of electronic apparatus, drive control program of electronic apparatus, and medium | Electricity | 4 | Active |
| US7298066B2 | Drive apparatus for piezoelectric actuator, drive method for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium | Electricity | 3 | Expired |
| US7663978B2 | Drive control apparatus, electronic apparatus, method of controlling drive of electronic apparatus, drive control program, and recording medium | Electricity | 2 | Active |
| US10747248B2 | Oscillator | Electricity | 1 | Active |
| US9740172B2 | Timepiece | Physics | 1 | Active |
| US9354610B2 | Analog electronic timepiece | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.