Hitoshi Toki
34Patents
10h-index
31Co-inventors
75Inventor score
Filing activity: Oct 6, 1980 → Jan 25, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5858278A | Phosphor and method for producing same | Chemistry; Metallurgy | 65 | Expired |
| US4766526A | Light source | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5619098A | Phosphor and fluorescent display device | Chemistry; Metallurgy | 28 | Expired |
| US6234783A | Injection molding nozzle | Performing Operations; Transporting | 26 | Expired |
| US6303403A | Method for preparing gallium nitride phosphor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4791336A | Fluorescent composition and fluorescent luminous device | Electricity | 21 | Expired |
| US6531072B1 | Phosphor | Chemistry; Metallurgy | 19 | Expired |
| US6113807A | Phosphor and method for producing same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4563297A | Fluorescent composition | Electricity | 12 | Expired |
| US5789856A | Fluorescent display device with blue filter | Electricity | 10 | Expired |
| US5478499A | Low-velocity electron excited phosphor of blue luminous color | Chemistry; Metallurgy | 9 | Expired |
| US6337035B1 | Phosphor and method for producing same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6310333A | Induction heating method for manifold in hot runner mold | Performing Operations; Transporting | 6 | Expired |
| US6163108A | Fluorescent luminous device | Chemistry; Metallurgy | 4 | Expired |
| US5976412A | Fluorescent material | Chemistry; Metallurgy | 4 | Expired |
| US5723224A | Phosphorescent material | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6103142A | Phosphor and display device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5051203A | Process for producing phosphor | Chemistry; Metallurgy | 2 | Expired |
| US5520847A | Low-velocity electron excited phosphor | Chemistry; Metallurgy | 2 | Expired |
| US6673269B2 | Phosphor material and its method of manufacture | Chemistry; Metallurgy | 2 | Expired |
| US5347133A | Powder agitator | Performing Operations; Transporting | 2 | Expired |
| US5746589A | Phosphor heat-transfer method and apparatus therefor | Chemistry; Metallurgy | 2 | Expired |
| US4382979A | Method of manufacturing a fluorescent display apparatus | Electricity | 2 | Expired |
| US6410895B1 | Induction heating coil unit for manifold in hot runner mold | Performing Operations; Transporting | 2 | Expired |
| US6168729A | Fluorescent material and fluorescent display device | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.