Nobuhiro Gemma
26Patents
12h-index
31Co-inventors
81Inventor score
Filing activity: Nov 5, 1985 → Feb 5, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5294810A | Organic electroluminescent device | Electricity | 103 | Expired |
| US4871236A | Organic thin film display element | Electricity | 78 | Expired |
| US8673595B2 | Sample analysis method and assay kit used therein | Chemistry; Metallurgy | 39 | Active |
| US6125095A | Luminescent recording layer holding a plurality of positive or negative charges | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5898720A | Optical element | Physics | 25 | Expired |
| US5294820A | Field-effect transistor | Electricity | 23 | Expired |
| US5675532A | Recording medium and recording/reproduction method | Physics | 22 | Expired |
| US4819210A | Optical information writing method | Physics | 21 | Expired |
| US5144473A | Organic thin film display element | Physics | 20 | Expired |
| US5155566A | Organic thin film element | Electricity | 18 | Expired |
| US5153680A | Organic dye thin film and organic thin film element | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5240762A | Organic thin film element | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5329236A | Apparatus for estimating charged and polarized states of functional groups in a solution | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6028873A | Optical device capable of functioning without a population inversion | Physics | 11 | Expired |
| US6101203A | Function element using quantum interference effect | Physics | 10 | Expired |
| US7728119B2 | Nucleotide primer set and nucleotide probe for detecting genotype of methylene tetrahydrofolate reductase (MTHFR) | Chemistry; Metallurgy | 8 | Active |
| US5699374A | Solid-state material, method of manufacturing the solid-state material, frequency-converting element, and frequency-measuring instrument incorporating the element, and frequency modulator/amplifier incorporating the element | Electricity | 6 | Expired |
| US5754511A | Optical information reproduction by irradiating two laser beams into a recording medium of at least three energy levels and detecting absorption or photoluminescence | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5286529A | Method of forming an organic thin film | Performing Operations; Transporting | 5 | Expired |
| US4927589A | Method for manufacturing organic thin film | Performing Operations; Transporting | 4 | Expired |
| US9359638B2 | Multi-nucleic-acid amplification reaction tool | Performing Operations; Transporting | 3 | Active |
| US4757364A | Light emitting element | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5970039A | Optical recording medium, method of recording information, method of reproducing information, apparatus for recording information, and apparatus for reproducing information | Physics | 2 | Expired |
| US5415899A | Method of forming an organic thin film | Performing Operations; Transporting | 2 | Expired |
| US7919611B2 | Nucleotide primer set and nucleotide probe for detecting genotype of N-acetyltransferase-2 (NAT2) | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.