Kouji Masuda
34Patents
11h-index
38Co-inventors
75Inventor score
Filing activity: Feb 7, 1980 → Apr 20, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5838024A | Light emitting diode array and optical image forming apparatus with light emitting diode array | Electricity | 132 | Expired |
| US5875051A | Optical scanning device and a scanning lens therefor | Physics | 84 | Expired |
| US5986791A | Optical scanning device and a scanning lens therefor | Physics | 58 | Expired |
| US6222662A | Optical scanning device and a scanning lens therefor | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6141133A | Optical scanning device and a scanning lens therefor | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6188086A | Light emitting diode array and optical image forming apparatus with light emitting diode array | Electricity | 37 | Expired |
| US7849674B2 | Exhaust emission purifying apparatus for engine | Emerging Cross-Sectional Technologies | 26 | Active |
| US6075638A | Scanning and imaging lens and optical scanning device | Physics | 25 | Expired |
| US7644302B2 | Restarting method using a snapshot | Physics | 19 | Active |
| US4290119A | Memory device protected against undesirable supply voltage level | Physics | 13 | Expired |
| US8010830B2 | Failover method, program, failover apparatus and failover system | Physics | 11 | Active |
| US5198407A | Heat-sensitive stencil sheet | Performing Operations; Transporting | 10 | Expired |
| US4356409A | Level conversion circuit | Electricity | 10 | Expired |
| US5962874A | Light emitting diode array and optical image forming apparatus with light emitting diode array | Electricity | 9 | Expired |
| US4366397A | Level conversion circuit | Electricity | 9 | Expired |
| US6259546A | Scanning and imaging lens and optical scanning device | Physics | 9 | Expired |
| US7334027B2 | Controlling method, computer system, and processing program of booting up a computer | Physics | 7 | Active |
| US7657786B2 | Storage switch system, storage switch method, management server, management method, and management program | Physics | 5 | Active |
| US7321927B2 | Controlling method, computer system, and processing program of booting up a computer | Physics | 5 | Active |
| US8074098B2 | Control method for information processing system, information processing system, and program | Physics | 4 | Active |
| US7664945B2 | Computer system for booting a diskless server after a fault by reading a boot loader from a maintenance logical unit and identifying a boot file based on identifier of diskless server | Physics | 2 | Active |
| US7854525B2 | Light reflector and planar light source | Physics | 2 | Active |
| US7500355B2 | Exhaust emission purifying apparatus for engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7472308B2 | Storage switch system, storage switch method, management server, management method, and management program | Physics | 2 | Active |
| US8024601B2 | Restarting method using a snapshot | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.