Hiroshi Watanuki
18Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Feb 1, 1978 → Oct 7, 2002
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 |
| US5693930A | Optical scanner having a plurality of scanning systems | Physics | 69 | Expired |
| US4647143A | Light-beam scanning apparatus | Physics | 67 | Expired |
| US6462880B1 | Bar code reader | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6491224B2 | Optical scanning apparatus | Physics | 19 | Expired |
| US6506514B1 | Nonaqueous electrolyte secondary battery | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6631844B1 | Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts | Physics | 16 | Expired |
| US6216950A | Optical scanning apparatus | Physics | 11 | Expired |
| US6728015B2 | Bar code reader | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4194166A | Differential amplifier with a current mirror circuit | Electricity | 7 | Expired |
| US6283373A | Light source module for a scanning apparatus and a scanning apparatus with the light source module | Physics | 5 | Expired |
| US6262366A | Housing including first and second housing halves, and an arrangement for locking thereof | Electricity | 5 | Expired |
| US5815300A | Optical reading apparatus having optical scanner for scanning information on objects | Physics | 5 | Expired |
| US5696617A | Optical reading apparatus having optical scanner for scanning information on objects | Physics | 5 | Expired |
| US6469294B2 | Optical scanner and light source module with reduced light beam diameter | Physics | 3 | Expired |
| US4152662A | Preamplifier having integrated circuitry | Electricity | 2 | Expired |
| US6495754B2 | Housing including first and second housing halves, and an arrangement for locking thereof | Electricity | 2 | Expired |
| US6211986A | Optical reading apparatus having optical scanner for scanning information on objects | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.