Takashi Baba
113Patents
13h-index
81Co-inventors
89Inventor score
Filing activity: Oct 7, 1975 → Jul 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4804831A | Focus detecting apparatus independent of object image contrast | Physics | 124 | Expired |
| US4419770A | Wrist AM radio receiver | Electricity | 95 | Expired |
| US5783824A | Ion trapping mass spectrometry apparatus | Electricity | 74 | Expired |
| US8049169B2 | Ion guide device, ion reactor, and mass analyzer | Electricity | 48 | Active |
| US6075244A | Mass spectrometer | Electricity | 42 | Expired |
| US5679950A | Ion trapping mass spectrometry method and apparatus therefor | Electricity | 40 | Expired |
| US4769046A | Process for polishing surface of memory hard disc | Chemistry; Metallurgy | 23 | Expired |
| US4696697A | Polishing composition | Chemistry; Metallurgy | 21 | Expired |
| US4705566A | Polishing composition for memory hard disc | Chemistry; Metallurgy | 20 | Expired |
| US6994531B2 | High-speed fluidic device | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6489609B1 | Ion trap mass spectrometry and apparatus | Electricity | 17 | Expired |
| US4042072A | Piston-cylinder unit for use in a disc brake assembly | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US9550176B2 | Exhaust gas purification catalyst and production method thereof | Emerging Cross-Sectional Technologies | 13 | Active |
| US7129478B2 | Mass spectrometer | Electricity | 12 | Expired |
| US7268459B2 | Electric power steering apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6852971B2 | Electric charge adjusting method, device therefor, and mass spectrometer | Electricity | 11 | Expired |
| US5055665A | Focus detecting apparatus jointly employing outputs of plural diverse detectors | Electricity | 11 | Expired |
| US7589321B2 | Reaction cell and mass spectrometer | Electricity | 10 | Active |
| US7309860B2 | Mass spectrometer | Electricity | 10 | Expired |
| US7381946B2 | Mass spectrometer | Electricity | 10 | Active |
| US6566651B2 | Ion trap mass spectrometry and apparatus | Electricity | 10 | Expired |
| US6366866B1 | Coordinates detecting apparatus for independently correcting coordinates | Physics | 10 | Expired |
| US6967323B2 | Mass spectrometer | Electricity | 10 | Expired |
| US8797895B2 | Radio relay station, radio relay method, radio communication system, location management device, radio terminal, and radio communication method | Electricity | 10 | Active |
| US8969990B2 | Light detection device | Electricity | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.