Masahiro Gotoh
35Patents
8h-index
21Co-inventors
75Inventor score
Filing activity: Jan 25, 1989 → Jan 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7138756B2 | Phosphor for electron beam excitation and color display device using the same | Chemistry; Metallurgy | 57 | Expired |
| US7252788B2 | Phosphor, light source and LED | Chemistry; Metallurgy | 44 | Expired |
| US7345418B2 | Phosphor mixture and light emitting device using the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US7273568B2 | Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED | Chemistry; Metallurgy | 31 | Expired |
| US7476337B2 | Phosphor and manufacturing method for the same, and light source | Chemistry; Metallurgy | 29 | Expired |
| US7432647B2 | Light source having phosphor including divalent trivalent and tetravalent elements | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7476338B2 | Phosphor and manufacturing method for the same, and light source | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7514860B2 | Phosphor mixture and light emitting device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7477009B2 | Phosphor mixture and light emitting device | Electricity | 8 | Active |
| US7291289B2 | Phosphor and production method of the same and light source and LED using the phosphor | Electricity | 7 | Expired |
| US4910262A | Olefinic block copolymers containing three blocks | Chemistry; Metallurgy | 5 | Expired |
| US8303847B2 | Phosphor, manufacturing method of phosphor sheet and phosphor, and light emitting device using the phosphor | Chemistry; Metallurgy | 3 | Active |
| US9333158B2 | Spray base material including low-molecular gelator | Human Necessities | 3 | Active |
| US8816049B2 | Lipid peptide and hydrogel | Chemistry; Metallurgy | 2 | Active |
| US8716248B2 | Lipid tripeptide-based hydrogelator and hydrogel | Chemistry; Metallurgy | 2 | Active |
| US8486896B2 | Lipid tripeptide-based hydrogelator and hydrogel | Chemistry; Metallurgy | 2 | Active |
| US8916682B2 | Lipid peptide and hydrogel | Chemistry; Metallurgy | 2 | Active |
| US8469760B2 | Light emitting device and method for producing same | Electricity | 1 | Active |
| US7803286B2 | Phosphor and manufacturing method for the same, and light source | Emerging Cross-Sectional Technologies | 1 | Active |
| US8066910B2 | Phosphor and manufacturing method for the same, and light source | Chemistry; Metallurgy | 1 | Active |
| US11056257B2 | Magnetic compound and antenna | Chemistry; Metallurgy | 1 | Active |
| USRE45640E1 | Phosphor for electron beam excitation and color display device using the same | General | 0 | Active |
| US11103922B2 | Fe—Co alloy powder and method for producing the same, and antenna, inductor and EMI filter | Electricity | 0 | Active |
| US7741973B2 | Drive control device | Electricity | 0 | Active |
| US7878876B2 | Light emitting device and method for producing same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.