Masahide Okazaki
22Patents
8h-index
16Co-inventors
72Inventor score
Filing activity: Apr 1, 1987 → Sep 5, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4978970A | Scanning/recording system with plural beam overlap without interference | Electricity | 33 | Expired |
| US5414551A | Afocal optical system and multibeam recording apparatus comprising the same | Physics | 19 | Expired |
| US5504619A | Scanning drum inner face and method of scanning therefor | Electricity | 14 | Expired |
| US5383052A | Afocal optical system and multibeam recording apparatus comprising the same | Physics | 12 | Expired |
| US5835228A | Image pickup apparatus, density measuring optical system and scanning optical microscope | Physics | 11 | Expired |
| US4905025A | Method of and apparatus for recording image on photosensitive material with a plurality of photobeams | Physics | 10 | Expired |
| US5099358A | Apparatus for recording image including an afocal optical system | Physics | 9 | Expired |
| US5291329A | Apparatus for recording an image | Electricity | 9 | Expired |
| US4810068A | Laser exposure apparatus | Electricity | 7 | Expired |
| US5701201A | Apparatus for scanning drum inner face and method of scanning therefor | Electricity | 7 | Expired |
| US4867542A | Laser exposure apparatus | Electricity | 6 | Expired |
| US7085079B2 | Optical element module, and apparatus and method for fixing optical element | Physics | 4 | Expired |
| US6975344B2 | Image recorder and light source unit with fixed element | Electricity | 3 | Expired |
| US5687008A | Image reading apparatus | Electricity | 2 | Expired |
| US5689368A | Apparatus for scanning drum inner face and method of scanning therefor | Electricity | 1 | Expired |
| US8175422B2 | Optical modulator | Physics | 1 | Active |
| US7643047B2 | Light source module, optical unit array and pattern writing apparatus | Performing Operations; Transporting | 1 | Active |
| US7436422B2 | Light source module, optical unit array and pattern writing apparatus | Performing Operations; Transporting | 1 | Expired |
| US8773751B2 | Optical device, exposure apparatus and laser apparatus | Electricity | 1 | Active |
| US8784675B2 | Optical device, a method of manufacturing optical device, and exposure apparatus | Physics | 0 | Active |
| US7058276B2 | Optical element module, and apparatus and method for fixing optical element | Physics | 0 | Expired |
| US9575389B2 | Light modulator and exposure head | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.