Takashi Ishiguro
52Patents
15h-index
58Co-inventors
87Inventor score
Filing activity: Apr 14, 1989 → Aug 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5949811A | X-ray apparatus | Human Necessities | 139 | Expired |
| US5090009A | Optical information recording medium | Physics | 60 | Expired |
| US4940618A | Optical information recording medium | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5398231A | Optical information recording substrate and method of making thereof | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5705247A | Optical information medium and method for fabricating the same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5341268A | Method of and system for disconnecting faulty distribution line section from power distribution line | Electricity | 39 | Expired |
| US4990388A | Optical information recording medium | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5498509A | Method of making an optical information recording substrate | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5009818A | Method of manufacturing an optical information recorded disc | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5155723A | Optical information recording method and medium | Physics | 21 | Expired |
| US6348794B1 | RF coil for magnetic resonance imaging having three separate non-overlapping coils electrically isolated from each other | Physics | 21 | Expired |
| US5470691A | Optical information medium | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4920359A | Optical information recording medium having protective layer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5213955A | Optical information recording medium and recording method | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6414485B1 | Magnetic resonance signal receiving apparatus and magnetic resonance imaging apparatus | Physics | 15 | Expired |
| US5616450A | Method for fabricating an optical information medium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5549952A | Optical information medium and method for printing on the surface of the medium | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5691643A | Ground fault detecting apparatus and method for detecting ground fault of field circuit and exciting circuit by detecting ground fault current flowing from ground to neutral point of exciting circuit | Electricity | 12 | Expired |
| US5407719A | Optical information recording medium and recording method | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5760583A | RF coil for MRI and MRI apparatus | Physics | 10 | Expired |
| US6084603A | Optical information medium and method for printing on the surface of the medium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5920329A | Optical information medium and method for printing on the surface of the medium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8184818B2 | Double-talk detector with accuracy and speed of detection improved and a method therefor | Electricity | 8 | Active |
| US5878107A | X-ray radiograph apparatus | Human Necessities | 7 | Expired |
| US6156482A | Optical information recording medium and recording method | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.