Toru Nakazawa
56Patents
12h-index
86Co-inventors
87Inventor score
Filing activity: Jan 5, 1978 → May 25, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD643462S1 | Printer | General | 32 | Expired |
| US6157429A | Matrix substrate having continuous even surface in drive circuit or sealing region as well as display region and manufacturing method thereof | Physics | 28 | Expired |
| USD498786S1 | Printer | General | 26 | Expired |
| US5216313A | Ultrasonic wave linear motor | Electricity | 25 | Expired |
| US5036245A | Ultrasonic linear motor | Electricity | 25 | Expired |
| US9079413B2 | Liquid conatiner, liquid consuming apparatus, liquid supply system and liquid container unit | Performing Operations; Transporting | 19 | Active |
| US6512566B1 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Physics | 14 | Expired |
| US6333519A | Semiconductor apparatus process for production thereof and liquid crystal apparatus | Electricity | 14 | Expired |
| US5087851A | Device for driving a part on a vehicle | Electricity | 14 | Expired |
| US5059503A | Electrophotosensitive material with combination of charge transfer materials | Physics | 14 | Expired |
| US4469769A | Photosensitive material for electrophotography contains halo-benzoquinone sensitizer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5013958A | X-Y stage with ultrasonic actuator | Electricity | 12 | Expired |
| US5427996A | Heat-sensitive recording sheet | Performing Operations; Transporting | 11 | Expired |
| US4619523A | Toner cleaning apparatus in electrophotography | Physics | 10 | Expired |
| US6411349B1 | Semiconductor device, display apparatus using such devices and method of manufacturing such an apparatus as well as that of manufacturing such an apparatus | Electricity | 10 | Expired |
| US6927829B2 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Physics | 10 | Expired |
| US4214907A | Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor | Physics | 10 | Expired |
| USD598951S1 | Printer | General | 10 | Expired |
| US6812966B1 | Exposure apparatus having image display functions, and electronic camera, data terminal, and portable communication apparatus having exposure function | Electricity | 9 | Expired |
| US7417956B2 | Wireless communication system which improves reliability and throughput of communication and retransmission timeout determining method used for the same | Electricity | 9 | Expired |
| US6809790B2 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Physics | 8 | Expired |
| US4226928A | Laminated photosensitive material for electrophotography | Physics | 8 | Expired |
| US5087544A | Perylene electrophotosensitive material with m-phenylenediamine | Physics | 7 | Expired |
| US5153088A | Electrophotosensitive material with x-type metal free phthalocyanine and perylene compound | Physics | 7 | Expired |
| US9290001B2 | Liquid container, liquid consuming apparatus, liquid supply system and liquid container unit | Performing Operations; Transporting | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.