Kenzo Obata
14Patents
11h-index
15Co-inventors
65Inventor score
Filing activity: Feb 26, 1991 → Apr 14, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5319185A | Small-size hand-supported bar code reader | Physics | 130 | Expired |
| US6494375B1 | Information-code-image capturing apparatus | Physics | 58 | Expired |
| US5597997A | Optical information reader | Physics | 55 | Expired |
| US5825906A | Signature recognition system | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5550363A | Optical information reading apparatus | Physics | 29 | Expired |
| US5426288A | Bar code reader and reading method using single laser light source for both reading information and measuring distance | Physics | 27 | Expired |
| US5212558A | Using thermally transferred invisible ink detectable by exposure to invisible light of specific wavelength | Performing Operations; Transporting | 21 | Expired |
| US6002783A | Object checking system capable of checking object irrespective of checking algorithms for reference data | Physics | 16 | Expired |
| US5528699A | Information medium recognition device | Physics | 16 | Expired |
| US5392150A | Optical information reading device | Physics | 14 | Expired |
| US5553156A | Signature recognition apparatus which can be trained with a reduced amount of sample data | Physics | 14 | Expired |
| US5635708A | Optical scanning apparatus having a fixed compound reflective assembly for two-dimensional scan capability and method thereof | Physics | 9 | Expired |
| US5432868A | Information medium recognition device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5552590A | Optical information reading apparatus having means for judging laser deterioration | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.