Hiroto Tamaki
101Patents
13h-index
57Co-inventors
89Inventor score
Filing activity: Jan 10, 1994 → Oct 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7745818B2 | Light emitting device with silicone resin layer formed by screen printing | Electricity | 228 | Active |
| US7258816B2 | Nitride phosphor and method for preparation thereof, and light emitting device | Emerging Cross-Sectional Technologies | 89 | Expired |
| US8169131B2 | Fluorescent material and light-emitting device | Electricity | 84 | Active |
| US7482636B2 | Light emitting device | Electricity | 61 | Expired |
| US5376303A | Long Decay phoaphors | Chemistry; Metallurgy | 59 | Expired |
| US7297293B2 | Nitride phosphor and production process thereof, and light emitting device | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7758224B2 | Light emitting device | Electricity | 22 | Active |
| US7597823B2 | Nitride phosphor and production process thereof, and light emitting device | Emerging Cross-Sectional Technologies | 20 | Active |
| US7723740B2 | Light emitting device | Electricity | 18 | Expired |
| US7923918B2 | Light emitting film, luminescent device, method for manufacturing light emitting film and method for manufacturing luminescent device | Electricity | 15 | Active |
| US7964113B2 | Nitride phosphor and production process thereof, and light emitting device | Emerging Cross-Sectional Technologies | 14 | Active |
| US7556744B2 | Nitride phosphor and production process thereof, and light emitting device | Emerging Cross-Sectional Technologies | 13 | Active |
| US7658866B2 | Fluorescent material and light-emitting device | Electricity | 13 | Active |
| US8197111B2 | Light emitting device | Electricity | 11 | Active |
| US8994259B2 | Wave-length conversion inorganic member, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 11 | Active |
| US7488432B2 | Fluorescent material and light-emitting device | Electricity | 10 | Expired |
| US5650094A | Red emitting long decay phosphors | Chemistry; Metallurgy | 10 | Expired |
| US7854859B2 | Nitride phosphor, method for producing this nitride phosphor, and light emitting device that uses this nitride phosphor | Electricity | 10 | Active |
| US8076847B2 | Nitride phosphor and production process thereof, and light emitting device | Emerging Cross-Sectional Technologies | 10 | Active |
| US7794624B2 | Oxynitride phosphor and production process thereof, and light-emitting device using oxynitride phosphor | Electricity | 8 | Expired |
| US7888869B2 | Light emitting device | Electricity | 8 | Active |
| US8377725B2 | Optical-semiconductor device and method for manufacturing the same | Electricity | 8 | Active |
| US7511411B2 | Light emitting device, phosphor, and method for preparing phosphor | Electricity | 6 | Expired |
| US8916775B2 | Shielded cable | Electricity | 6 | Active |
| US9484511B2 | Light emitting device and method for manufacturing same | Electricity | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.