Seiichi Kiyama
23Patents
16h-index
24Co-inventors
77Inventor score
Filing activity: Jun 14, 1985 → Nov 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4981525A | Photovoltaic device | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6410843B1 | Solar cell module | Emerging Cross-Sectional Technologies | 89 | Expired |
| US4755475A | Method of manufacturing photovoltaic device | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5932118A | Photoprocessing method | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5538902A | Method of fabricating a photovoltaic device having a three-dimensional shape | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5428961A | Micromachines | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5064682A | Method of forming a pseudo-diamond film on a base body | Chemistry; Metallurgy | 29 | Expired |
| US4668840A | Photovoltaic device | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5901021A | Thin-film magnetic head | Physics | 27 | Expired |
| US5864452A | Thin-film magnetic head and method of forming carbon film | Physics | 25 | Expired |
| US5413959A | Method of modifying transparent conductive oxide film including method of manufacturing photovoltaic device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5629086A | Hard-carbon-film-coated substrate and apparatus for forming the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6342669B1 | Solar electric power apparatus, solar module, and installation method of solar modules | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5053245A | Method of improving the quality of an edge surface of a cutting device | Chemistry; Metallurgy | 17 | Expired |
| US5626963A | Hard-carbon-film-coated substrate and apparatus for forming the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5691010A | Arc discharge plasma CVD method for forming diamond-like carbon films | Electricity | 16 | Expired |
| US5639314A | Photovoltaic device including plural interconnected photoelectric cells, and method of making the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5024724A | Dry-etching method | Electricity | 15 | Expired |
| US4650524A | Method for dividing semiconductor film formed on a substrate into plural regions by backside energy beam irradiation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6022622A | Hard carbon film-coated substrate and method for fabricating the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6572936B1 | Hard carbon film-coated substrate and method for fabricating the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5695832A | Method of forming a hard-carbon-film-coated substrate | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5458928A | Method of forming metal material film with controlled color characteristic | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.