NATIONAL INSTITUTE FOR MATERIALS SCIENCE
552Patents
459Active
552Granted
59Portfolio score
Filing activity: Dec 2, 1999 → Jul 29, 2024 · 151 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7888013B2 | Method of analyzing DNA sequence using field-effect device, and base sequence analyzer | Performing Operations; Transporting | 193 | Active |
| US7695907B2 | Gene detection field-effect device and method of analyzing gene polymorphism therewith | Chemistry; Metallurgy | 153 | Active |
| US6856433B2 | Holographic recording medium and holographic recording/reproducing apparatus using the same | Physics | 107 | Expired |
| US6523416B2 | Method for setting shape and working stress, and working environment of steel member | Physics | 106 | Expired |
| US6632379B2 | Oxynitride phosphor activated by a rare earth element, and sialon type phosphor | Chemistry; Metallurgy | 47 | Expired |
| US7993782B2 | All-solid lithium battery | Emerging Cross-Sectional Technologies | 36 | Active |
| US7565831B2 | Production method of indentation curve and hardness test method | Physics | 29 | Active |
| US8420043B2 | Nano-crystal diamond film, manufacturing method thereof, and device using nano-crystal diamond film | Emerging Cross-Sectional Technologies | 23 | Active |
| US8313692B2 | Mg-based alloy | Chemistry; Metallurgy | 21 | Active |
| US8182713B2 | Lead-free piezoelectric material | Chemistry; Metallurgy | 20 | Active |
| US8148887B2 | Light emitting diode lamp and light emitting device | Emerging Cross-Sectional Technologies | 19 | Active |
| US8147715B2 | Phosphor, process for producing the same, and luminescent device | Electricity | 18 | Active |
| US6776927B2 | Oxynitride phosphor activated by a rare earth element, and sialon type phosphor | Chemistry; Metallurgy | 18 | Expired |
| US7544310B2 | Fluorescent substance | Electricity | 17 | Expired |
| US6966956B2 | Ni-based single crystal super alloy | Chemistry; Metallurgy | 15 | Expired |
| US7153938B2 | Cross-linked apatite/collagen porous body containing self-organized apatite/collagen composite and its production method | Human Necessities | 15 | Expired |
| US7540977B2 | Phosphor, production method thereof and light emitting instrument | Electricity | 15 | Expired |
| US7431864B2 | Phosphor, production method thereof and light emitting instrument | Electricity | 13 | Active |
| US7713443B2 | Phosphor production method | Electricity | 13 | Active |
| US8398892B2 | Phosphor, method for producing the same and light-emitting device using the same | Electricity | 11 | Active |
| US7260280B2 | Optical device | Physics | 11 | Active |
| US9082551B2 | High dielectric nanosheet laminate, high dielectric element and method for producing the same | Emerging Cross-Sectional Technologies | 11 | Active |
| US8932416B2 | High-strength and high-ductility die-quenched parts and method of manufacturing the same | Emerging Cross-Sectional Technologies | 11 | Active |
| US8668871B2 | Sensing device and biosensor | Physics | 11 | Active |
| US7906040B2 | α-Sialon, α-sialon phosphor and method for producing the same | Chemistry; Metallurgy | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.