Ryo Imura
21Patents
10h-index
36Co-inventors
75Inventor score
Filing activity: Jun 6, 1979 → Aug 14, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5416331A | Surface atom fabrication method and apparatus | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5796706A | Information recording apparatus | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5604059A | Mask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structure | Physics | 21 | Expired |
| US5808977A | Tracking method and recording means thereby | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4772976A | Process for preparing magnetic layer and magnetic head prepared using the same | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5323375A | Information storage apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5471064A | Precision machining method, precision machining apparatus and data storage apparatus using the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5689494A | Surface atom fabrication method and apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5309388A | Solid state magnetic memory device | Physics | 12 | Expired |
| US5627815A | Precision machining method precision machining apparatus and data storage apparatus using the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4476152A | Method for production of magnetic bubble memory device | Electricity | 8 | Expired |
| US4460412A | Method of making magnetic bubble memory device by implanting hydrogen ions and annealing | Electricity | 7 | Expired |
| US4894098A | Process for preparing magnetic layer and magnetic head prepared using the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4701385A | Ion-implanted magnetic bubble device and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4600488A | Control method of magnetic anisotropy and device utilizing the control method | Electricity | 5 | Expired |
| US5327371A | Information recording and reproducing apparatus | Physics | 4 | Expired |
| US4556582A | Method of fabricating magnetic bubble memory device | Electricity | 4 | Expired |
| US4556583A | Method of fabricating magnetic bubble memory device | Electricity | 3 | Expired |
| US4321690A | Magnetic bubble memory module | Electricity | 2 | Expired |
| US7190254B2 | Emigrant reception system, emigrant gate system, emigrant control system, emigrant control method, passport applicant information management method, layout of emigrant gate, immigrant reception system, immigrant gate system, immigrant control system, immigrant control method, layout of immigrant gate system, and passport | Physics | 1 | Expired |
| US4246646A | Magnetic bubble chip-mounting plane | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.