Seiichi Yamazaki
34Patents
12h-index
34Co-inventors
81Inventor score
Filing activity: Dec 20, 1979 → Aug 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5040067A | Method and device for processing multiple video signals | Electricity | 117 | Expired |
| US6674623B1 | Microcomputer equipped with built-in temperature sensor | Electricity | 44 | Expired |
| US5649817A | Scroll type fluid machine having first and second bearings for the driving shaft | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5707581A | Apparatus and method for producing patterned molded articles | Performing Operations; Transporting | 29 | Expired |
| US5989480A | Apparatus for molding patterned product and method of molding patterned product | Performing Operations; Transporting | 24 | Expired |
| US5180967A | Constant-current source circuit having a MOS transistor passing off-heat current | Physics | 23 | Expired |
| US5639536A | Method of forming improved matted surface-finished article by use of transfer member, and article formed thereby | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5800759A | Insert molded article, and apparatus and method for producing the insert molded article | Performing Operations; Transporting | 19 | Expired |
| US4629876A | Bar code reader | Physics | 17 | Expired |
| US5884189A | Multiple-modes adaptable radiotelephone | Electricity | 14 | Expired |
| US5398007A | Low-power baud rate generator including two oscillators | Electricity | 13 | Expired |
| US4817023A | Slide magazine provided with memory means for slide film printing system | Physics | 13 | Expired |
| US4962413A | Analog switch with minimized noise ascribable to gate capacitance | Electricity | 12 | Expired |
| US4447146A | Photographic printing apparatus | Physics | 9 | Expired |
| US4662554A | Apparatus for processing photosensitive material | Physics | 9 | Expired |
| US4353645A | Negative film carrier | Physics | 8 | Expired |
| US5451952A | CMOS flash analog-to-digital converter with hysteresis | Electricity | 7 | Expired |
| US4286869A | Negative film handling method and apparatus | Physics | 7 | Expired |
| US4693016A | Drying apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4719483A | Control strip supply apparatus | Physics | 4 | Expired |
| US6028829A | Information reading device for optical disk with unrecorded region detector | Physics | 4 | Expired |
| US4719484A | Photosensitive material guide structure for developing apparatus | Physics | 3 | Expired |
| US4602865A | Method for sorting out slide films in a magazine system | Physics | 3 | Expired |
| US6314155A | Counting circuit with rewritable non-volatile memory, and counting method | Electricity | 3 | Expired |
| US4540324A | Device for detecting whether or not one end of a belt-shaped sheet is locked | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.