Masayuki Nishiwaki
15Patents
6h-index
14Co-inventors
59Inventor score
Filing activity: Apr 25, 1991 → Nov 17, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5263250A | Method of manufacturing nozzle plate for ink jet printer | Emerging Cross-Sectional Technologies | 55 | Expired |
| US7211526B2 | Laser based splitting method, object to be split, and semiconductor element chip | Electricity | 29 | Expired |
| US5389954A | Laser process apparatus for forming holes in a workpiece | Performing Operations; Transporting | 25 | Expired |
| US5517000A | Apparatus for forming a workpiece using plural light beams | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5841101A | Method used in manufacturing a workpiece using a plurality of spaced apart mask patterns | Performing Operations; Transporting | 9 | Expired |
| US8108998B2 | Laser cutting method | Emerging Cross-Sectional Technologies | 7 | Active |
| US6114654A | Split-beam laser apparatus for making a nozzle member | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5828496A | Illumination optical system | Physics | 5 | Expired |
| US5946024A | Illuminating apparatus and device manufacturing method | Physics | 4 | Expired |
| US6218081A | Method of manufacturing nozzle member, and work apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8093530B2 | Laser cutting apparatus and laser cutting method | Performing Operations; Transporting | 3 | Active |
| US6239914A | Method of manufacturing nozzle member, and work apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7791001B2 | Automatic focusing apparatus, laser processing apparatus, and laser cutting apparatus | Performing Operations; Transporting | 2 | Active |
| US7807940B2 | Laser processing apparatus and laser processing method | Performing Operations; Transporting | 1 | Active |
| US6515694B1 | Illumination device and optical processing apparatus using the same | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.