Ryo Sakamoto
32Patents
4h-index
52Co-inventors
66Inventor score
Filing activity: Nov 16, 1994 → Jun 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5462821A | Gallium based active material for the negative electrode, a negative electrode using the same, and batteries using said negative electrode | Emerging Cross-Sectional Technologies | 21 | Expired |
| US8344356B2 | Semiconductor material, method of making the same, and semiconductor device | Electricity | 10 | Active |
| US8426893B2 | Epitaxial substrate for electronic device and method of producing the same | Electricity | 8 | Active |
| US10767247B2 | Aluminum alloy magnetic disk substrate and method for producing same | Physics | 6 | Active |
| US8044439B2 | Light-emitting device and manufacturing method of the same | Electricity | 4 | Active |
| US10090568B2 | Battery assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US6336970B1 | Surface preparation method and semiconductor device | Electricity | 1 | Expired |
| US8904938B2 | Blasting cartridge, blasting apparatus, and blasting method | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11211088B2 | Magnetic disc, aluminum alloy substrate for magnetic disc, and production method for aluminum alloy substrate | Chemistry; Metallurgy | 1 | Active |
| US10579895B2 | Information processing apparatus, extraction method, and medium | Physics | 0 | Active |
| US11721361B2 | Aluminum alloy substrate for magnetic disks, method for producing same, and magnetic disk using said aluminum alloy substrate for magnetic disks | Physics | 0 | Active |
| US12033665B2 | Thin substrate built-in hard disk drive and base plate member for thin substrate built-in hard disk drive | Chemistry; Metallurgy | 0 | Active |
| US12243570B2 | Aluminum alloy substrate for magnetic disc and magnetic disc | Physics | 0 | Active |
| US8115193B2 | Vertical resonator type light emitting diode | Electricity | 0 | Active |
| US8710489B2 | Epitaxial substrate for electronic device, in which current flows in lateral direction and method of producing the same | Electricity | 0 | Active |
| US12087342B2 | Aluminum alloy disc blank for magnetic disc and magnetic disc | Physics | 0 | Active |
| US7485705B2 | Water-soluble tetrazolium compounds | Chemistry; Metallurgy | 0 | Expired |
| US10787473B2 | PH responsive fluorescent compound, composition for detecting mitophagy using same, and method for detecting mitophagy within cells | Physics | 0 | Active |
| US7989799B2 | Surface light emitting element | Electricity | 0 | Active |
| US11482251B2 | Aluminum alloy substrate for magnetic disk and method for manufacturing same, aluminum alloy base disk for magnetic disk and method for manufacturing same, and magnetic disk and method for manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US11075003B2 | Assistance apparatus for assisting interpretation report creation and method for controlling the same | Human Necessities | 0 | Active |
| US8946863B2 | Epitaxial substrate for electronic device comprising a high resistance single crystal substrate on a low resistance single crystal substrate, and method of manufacturing | Electricity | 0 | Active |
| US11176671B2 | Medical image processing apparatus, and method | Physics | 0 | Active |
| US11341995B2 | Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk | Chemistry; Metallurgy | 0 | Active |
| US11361791B2 | Aluminum alloy sheet for magnetic disk and production method therefor, and magnetic disk using said aluminum alloy sheet for magnetic disk | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.