Masaaki Harada
55Patents
14h-index
40Co-inventors
84Inventor score
Filing activity: Aug 16, 1976 → Feb 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6272466A | Speech detection apparatus using specularly reflected light | Physics | 54 | Expired |
| US6343269B1 | Speech detection apparatus in which standard pattern is adopted in accordance with speech mode | Physics | 49 | Expired |
| US5591279A | Pneumatic vehicle tire | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6697587B2 | Semiconductive rubber composition, charging member, electrophotographic apparatus, and process cartridge | Emerging Cross-Sectional Technologies | 30 | Expired |
| US8538298B2 | Charging member, process for its production, and electrophotographic apparatus | Physics | 25 | Active |
| US8991053B2 | Charging member, process for its production, and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 23 | Active |
| US8491994B2 | Conductive rubber elastic material, charging member and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 22 | Active |
| US8622881B1 | Conductive member, electrophotographic apparatus, and process cartridge | Physics | 21 | Active |
| US8532535B2 | Charging member, manufacturing method for charging member, and electrophotographic apparatus | Physics | 20 | Active |
| US8685601B2 | Electrophotographic member, method for producing the same, process cartridge and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 20 | Active |
| US8440307B2 | Charging member and method for producing charging member | Emerging Cross-Sectional Technologies | 20 | Active |
| US9360833B2 | Charging member, process cartridge and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 19 | Active |
| US8481167B2 | Charging member | Emerging Cross-Sectional Technologies | 17 | Active |
| US8501312B2 | Charging member | Emerging Cross-Sectional Technologies | 16 | Active |
| US7366448B2 | Charging member including coated and uncoated metal oxide particles | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8923732B2 | Charging member, manufacturing method therefor, and electrophotographic apparatus | Physics | 13 | Active |
| US4845654A | Pseudo random noise code generator | Electricity | 13 | Expired |
| US5847997A | PC card | Physics | 13 | Expired |
| US8750762B2 | Charging member with vulcanized rubber, and electrophotographic apparatus including the charging member | Chemistry; Metallurgy | 13 | Active |
| US7486911B2 | Elastic member, process for manufacturing thereof and mass production process thereof, process cartridge, and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5111416A | Pseudo random noise code generator for selectively generating a code or its mirror image from common data | Physics | 12 | Expired |
| US5031130A | Pseudorandom noise code generator | Electricity | 11 | Expired |
| US4945537A | Maximum length linearly occurring code sequence generator | Electricity | 10 | Expired |
| US6633926B1 | DMA transfer device capable of high-speed consecutive access to pages in a memory | Physics | 10 | Expired |
| US4483609A | Illumination device for a copying machine | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.