Kozo Yamazaki
71Patents
12h-index
61Co-inventors
87Inventor score
Filing activity: Apr 4, 1984 → Mar 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5936218A | Multiple plane bar code reader for reading optically encoded data | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4647143A | Light-beam scanning apparatus | Physics | 67 | Expired |
| US5266788A | Laser scanner for bar code reader having a transparent light guide plate | Physics | 48 | Expired |
| US4853710A | Imaging by laser beam scanning | Electricity | 32 | Expired |
| US4848862A | Laser beam scanner | Physics | 32 | Expired |
| US6189795A | Multiple plane bar code reader for reading optically encoded data | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6462880B1 | Bar code reader | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7203444B2 | Method and apparatus for image forming and optical writing device installed therein capable of reducing adhering dust | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6491224B2 | Optical scanning apparatus | Physics | 19 | Expired |
| US6247646A | Bar code reader, and bar code reading method | Physics | 18 | Expired |
| US5231277A | Optical scanner using plannar reflecting holograms | Physics | 18 | Expired |
| US6631844B1 | Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts | Physics | 16 | Expired |
| US6719202B1 | Commodity information management system | Physics | 12 | Expired |
| US4904033A | Method for constructing holograms | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5689378A | Laser diode module | Physics | 12 | Expired |
| US6216950A | Optical scanning apparatus | Physics | 11 | Expired |
| US7215349B2 | Method and apparatus for image forming capable of effectively avoiding an adverse temperature effect to an optical scanning system | Physics | 11 | Expired |
| US6488207B1 | Bar code reader, scaling device and scaling method | Physics | 10 | Expired |
| US4655541A | Hologram scanner | Physics | 9 | Expired |
| US5245170A | Optical scanner using planar reflection holograms | Physics | 9 | Expired |
| US7436425B2 | Optical writing apparatus and image forming apparatus | Electricity | 8 | Active |
| US6728015B2 | Bar code reader | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7077322B2 | Bar-code reader | Physics | 7 | Expired |
| US6978937B2 | METHOD OF READING INFORMATION AND APPARATUS THEREFOR, METHOD OF ACQUIRING SIGNAL FOR USE WITH INFORMATION READING APPARATUS, METHOD OF PROCESSING BAND LIMITATION, METHOD OF EXTRACTING TIMING POINT AMPLITUDE AND METHOD OF PROCESSING SIGNAL THEREOF, READ SIGNAL PROCESSING UNIT, AND METHOD OF PROCESSING READ SIGNAL AND PROCESSING APPARATUS THEREOF | Physics | 7 | Expired |
| US7311259B2 | Bar code reader and method of reading of bar code | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.