Mutsuki Yamazaki
69Patents
8h-index
56Co-inventors
81Inventor score
Filing activity: Nov 2, 1983 → Sep 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4797009A | Dynamic pressure air bearing | Chemistry; Metallurgy | 50 | Expired |
| US5300951A | Member coated with ceramic material and method of manufacturing the same | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4893151A | Image developing apparatus | Physics | 29 | Expired |
| US4656110A | Electrophotographic photosensitive member having a photoconductive layer of an amorphous material | Physics | 28 | Expired |
| US4794463A | Ink jet system | Performing Operations; Transporting | 21 | Expired |
| US6778042B2 | High-frequency device | Electricity | 18 | Expired |
| US4785324A | Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor | Physics | 17 | Expired |
| US6349226B1 | Oxide super conductive wire and a super conductive device | Electricity | 8 | Expired |
| US7115878B2 | Flat panel X-ray detector | Electricity | 7 | Expired |
| US4641168A | Light sensitive semiconductor device for holding electrical charge therein | Physics | 6 | Expired |
| US6903632B2 | Band pass filter | Electricity | 6 | Expired |
| US6937117B2 | High-frequency device | Electricity | 6 | Expired |
| US4729937A | Layered amorphous silicon electrophotographic photosensitive member comprises BN surface layer and BN barrier layer | Physics | 5 | Expired |
| US6529092B2 | Superconductor filter and radio transmitter-receiver | Electricity | 5 | Expired |
| US8758959B2 | Processes for producing catalyst-layer-supporting substrate, catalyst-layer-supporting substrate, membrane electrode assembly, and fuel cell | Emerging Cross-Sectional Technologies | 4 | Active |
| US4963893A | Heat-resistant insulating substrate, thermal printing head, and thermographic apparatus | Electricity | 3 | Expired |
| US4666803A | Photoconductive member for exhibiting photoconductivity upon illumination by electromagnetic light in the visible to ultraviolet range | Physics | 3 | Expired |
| US8986839B2 | Metal-containing particle aggregate, metal-containing particle composite member, and method of manufacturing the aggregate and the composite member | Emerging Cross-Sectional Technologies | 3 | Active |
| US7167065B2 | Filter circuit | Electricity | 2 | Expired |
| US7305261B2 | Band pass filter having resonators connected by off-set wire couplings | Electricity | 2 | Expired |
| US7215225B2 | Superconductor filter | Electricity | 2 | Expired |
| US10205211B2 | Thermal insulation waveguide and wireless communication device | Physics | 2 | Active |
| US4724193A | Photoconductive membrane for exhibiting photoconductivity upon illumination by electromagnetic light in the visible to ultraviolet range | Physics | 2 | Expired |
| US7397330B2 | Filter and radio communication device using the same | Electricity | 2 | Active |
| US5119112A | Heat-resistant insulating substrate, thermal printing head, and thermographic apparatus | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.