Naoto Okada
19Patents
9h-index
35Co-inventors
72Inventor score
Filing activity: Feb 20, 1992 → Jul 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5421909A | Photovoltaic conversion device | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5401330A | Photovoltaic element | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6153823A | Photoelectric conversion element having a surface member or a protection member and building material using the same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5656098A | Photovoltaic conversion device and method for producing same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6576061B1 | Apparatus and method for processing a substrate | Electricity | 23 | Expired |
| US6667240B2 | Method and apparatus for forming deposited film | Electricity | 17 | Expired |
| US6261862A | Process for producing photovoltaic element | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5439533A | Photovoltaic device, method of producing the same and generating system using the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6500291B1 | Device and method for lamination | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5279681A | Photovoltaic device with layer region containing germanium therin | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6930025B2 | Transparent conductive film formation process, photovoltaic device production process, transparent conductive film, and photovoltaic device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6482668B2 | Process for producing photovoltaic device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7189917B2 | Stacked photovoltaic device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8382078B2 | Bump stopper | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6963787B2 | Article to be processed having ID, and production method thereof | Electricity | 4 | Expired |
| US7850499B2 | Method of manufacturing organic electroluminescence display apparatus | Electricity | 2 | Active |
| US7284690B2 | Article to be processed having ID, and production method thereof | Electricity | 1 | Expired |
| US10690480B2 | Film thickness measuring method and film thickness measuring device | Physics | 0 | Active |
| US6911352B2 | Semiconductor device and method of manufacturing same | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.