Osamu Matsuda
64Patents
17h-index
67Co-inventors
87Inventor score
Filing activity: Oct 16, 1979 → Jun 19, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5432408A | Filling composition for incandescent lamp, and incandescent lamp containing the same and its use | Emerging Cross-Sectional Technologies | 141 | Expired |
| US5521140A | Recording unit structure and recording device | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5954630A | FM theta-inducing audible sound, and method, device and recorded medium to generate the same | Human Necessities | 36 | Expired |
| US5343122A | Luminaire using incandescent lamp as luminous source | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7239772B2 | Flexible waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system | Electricity | 27 | Expired |
| US6281032A | Manufacturing method for nitride III-V compound semiconductor device using bonding | Electricity | 25 | Expired |
| US5883533A | Clock signal generating device having a redundant configuration | Electricity | 24 | Expired |
| US6552799B1 | Two-arm sagnac interferometer with two beam splitters | Physics | 23 | Expired |
| US5308221A | Method and apparatus for controlling a robot having a floating hand | Physics | 22 | Expired |
| US5679947A | Optical device having a light emitter and a photosensor on the same optical axis | Electricity | 22 | Expired |
| US6329211A | Method of manufacturing thin film magnetic head | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6025213A | Semiconductor light-emitting device package and method of manufacturing the same | Electricity | 20 | Expired |
| US5608233A | Optical device for magneto-optical disc system | Electricity | 19 | Expired |
| US8135280B2 | Method and system for power stability control in wavelength division multiplexing networks | Electricity | 18 | Active |
| US4764931A | Semiconductor device | Electricity | 17 | Expired |
| US5713673A | Recording head, recording device and recording method | Chemistry; Metallurgy | 17 | Expired |
| US4736231A | Semiconductor laser device having a semiconductor substrate, a laser chip thereon and spaced photo-detecting portions | Electricity | 17 | Expired |
| US4920572A | Object recognition system for a robot | Physics | 16 | Expired |
| US4673580A | Process for producing coffee extract | Human Necessities | 16 | Expired |
| US5801880A | Confocal microscope with optical recording and reproducing apparatus | Electricity | 15 | Expired |
| US5438583A | Semiconductor laser with optimum resonator | Electricity | 12 | Expired |
| US5703861A | Integrated confocal optical pick-up head with a hologram and a polarizer mounted on each side of a transparent heat sink | Physics | 9 | Expired |
| US5237216A | High-speed CML push-pull logic circuit having temperature compensated biasing | Electricity | 9 | Expired |
| US7569619B2 | Radiation-curable resin composition and cured product thereof | Physics | 8 | Expired |
| US4503539A | Semiconductor laser | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.