Takeshi Shibuya
55Patents
14h-index
88Co-inventors
87Inventor score
Filing activity: Feb 9, 1990 → Feb 28, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6579826B2 | Reversible thermosensitive recording medium and image forming and erasing method using the recording medium | Performing Operations; Transporting | 123 | Expired |
| US5838465A | Color compensating method of color image and color image generating apparatus | Electricity | 52 | Expired |
| US6768558B1 | Printed matter including invisible information and printing system | Physics | 33 | Expired |
| US7842237B1 | Automatic analyzer and rack transfer device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6737021B2 | Automatic analyzer | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5031059A | Rotating disk storage device with cooling gas flow control | Physics | 28 | Expired |
| US5517372A | Rotating disk storage device with cooling air flow control | Physics | 23 | Expired |
| USD631976S1 | Sampler unit for clinical analyzer | General | 21 | Expired |
| USD474416S1 | Biochemical analysis machine | General | 20 | Expired |
| US7974544B2 | Electrophotography apparatus having edge detection of toner patch and exposure control | Physics | 19 | Active |
| US6197255A | Chemical analyzing apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6204933A | Information print system and image processing apparatus | Physics | 16 | Expired |
| US7333259B2 | Multicolor display element | Physics | 16 | Active |
| US7130076B2 | Image output device and test chart for the same | Electricity | 15 | Expired |
| US8252233B2 | Automatic analyzer and sample-processing system | Emerging Cross-Sectional Technologies | 13 | Active |
| US5636082A | Rotating disk storage device with cooling air flow control | Physics | 12 | Expired |
| US6031629A | Picture quality stabilizer for a color laser printer | Electricity | 11 | Expired |
| US5867607A | Digital halftoning apparatus and method | Electricity | 10 | Expired |
| US6191868A | Distributed PWM halftoning unit and printer | Electricity | 9 | Expired |
| US7679781B2 | Color image processing apparatus and color printer system | Electricity | 8 | Active |
| US7894118B2 | Electrochromic compound, electrochromic composition and display device | Chemistry; Metallurgy | 7 | Active |
| US9108832B2 | Cover opener and automatic analyzing device using same | Physics | 6 | Active |
| US7948659B2 | Halftoning device and halftoning method and laser printer including the same | Electricity | 5 | Active |
| US7830584B2 | Organic-inorganic composite material and method for producing the same, and functional electrode and functional device | Emerging Cross-Sectional Technologies | 5 | Active |
| US6500388B1 | Automatically analyzing apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.