Hiroshi Deguchi
57Patents
16h-index
68Co-inventors
87Inventor score
Filing activity: Dec 2, 1988 → Nov 23, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6280684A | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Emerging Cross-Sectional Technologies | 220 | Expired |
| US5736657A | Sputtering target | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4975338A | Thin film electroluminescence device | Electricity | 36 | Expired |
| US5785828A | Sputtering target for producing optical recording medium | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6426936B1 | Phase-change medium usable in phase-difference tracking | Physics | 32 | Expired |
| US6096398A | Phase-change optical recording medium | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5646924A | Recording and simultaneous verifying method of phase-changing type of information recording medium | Physics | 28 | Expired |
| US6177167A | Optical information recording medium | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6319368A | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording medium | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6127016A | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4914348A | Electroluminescence multi-color display device | Electricity | 21 | Expired |
| US5420833A | Magneto-optical recording medium having first and second magnetic layers | Physics | 21 | Expired |
| US6391417B1 | Optical information recording medium | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6841049B2 | OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUBSTRATE FILM-FORMATION METHOD, SUBSTRATE HOLDER MANUFACTURE METHOD, SUBSTRATE HOLDER, OPTICAL DISK AND A PHASE-CHANGE RECORDING TYPE OF OPTICAL DISK | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6035526A | Method of repairing defect and apparatus for repairing defect | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7206615B2 | Vehicle communication system | Physics | 16 | Expired |
| US6770346B2 | Optical recording medium and recording method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5882493A | Heat treated and sintered sputtering target | Physics | 14 | Expired |
| US5142192A | Thin film electroluminescent element | Electricity | 13 | Expired |
| US6503592B1 | Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8008978B2 | Oscillator circuit and memory system | Electricity | 7 | Active |
| US6652806B2 | Method of producing a sputtering target | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7438965B2 | Phase-change information recording medium, manufacturing method for the same, sputtering target, method for using the phase-change information recording medium and optical recording apparatus | Physics | 5 | Active |
| US8976596B1 | Controller | Physics | 4 | Active |
| US7288224B2 | Method of producing a sputtering target | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.