Akira Tsukamoto
47Patents
13h-index
72Co-inventors
84Inventor score
Filing activity: Jun 13, 1974 → Sep 10, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5818898A | X-ray imaging apparatus using X-ray planar detector | Electricity | 166 | Expired |
| US5345938A | Diagnostic apparatus for circulatory systems | Physics | 74 | Expired |
| US6815949B2 | Apparatus for measuring a magnetic field | Human Necessities | 42 | Expired |
| US6222906A | X-ray diagnostic apparatus using an X-ray flat panel detector and method for controlling the X-ray diagnostic apparatus | Electricity | 35 | Expired |
| US3959062A | Method of joining surfaces using segmented copolyester adhesive | Emerging Cross-Sectional Technologies | 33 | Expired |
| US3941904A | Method of applying adhesive coatings using segmented copolyester compositions | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5666395A | X-ray diagnostic apparatus | Physics | 28 | Expired |
| US6486756B2 | Superconductor signal amplifier | Electricity | 27 | Expired |
| US5739548A | Solid state imaging device having a flattening layer and optical lenses | Electricity | 27 | Expired |
| US5976907A | Solid state imaging device and production method for the same | Electricity | 23 | Expired |
| US5852296A | X-ray imaging apparatus | Electricity | 22 | Expired |
| US6853185B2 | Magnetic field measurement system | Physics | 20 | Expired |
| US5380704A | Superconducting field effect transistor with increased channel length | Electricity | 13 | Expired |
| US7680588B2 | Traffic information management system | Physics | 13 | Active |
| US7145980B2 | X-ray diagnosis apparatus and method for obtaining an X-ray image | Human Necessities | 11 | Expired |
| US6724855B2 | X-ray flat panel detector | Electricity | 11 | Expired |
| US5165251A | Coupler for pipe of cooler unit | Performing Operations; Transporting | 11 | Expired |
| US5118948A | Gamma camera device | Physics | 10 | Expired |
| US9279863B2 | High-temperature superconducting magnetic sensor | Electricity | 10 | Active |
| US7440840B2 | Ecological driving system | Emerging Cross-Sectional Technologies | 8 | Active |
| US8781542B2 | High-temperature superconducting magnetic sensor and fabrication method of the same | Emerging Cross-Sectional Technologies | 8 | Active |
| US6809357B2 | Flat panel detection type solid-state imaging device | Electricity | 6 | Expired |
| US5652777A | Diagnostic X-ray apparatus | Electricity | 5 | Expired |
| US8175795B2 | Route search apparatus | Performing Operations; Transporting | 5 | Active |
| USD321707S | Printer | General | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.