Makoto Hiramatsu
23Patents
7h-index
17Co-inventors
66Inventor score
Filing activity: Dec 19, 1991 → Nov 8, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7023479B2 | Image input apparatus having addition and subtraction processing | Electricity | 35 | Expired |
| US5233578A | Method of recording information on a recording medium having at least two magnetic layers | Physics | 21 | Expired |
| US5661612A | Magnetic head driving device and magnetooptical recording apparatus | Electricity | 19 | Expired |
| US8656563B2 | Structure of installation member to be installed to vehicle outer panel, and bolt retaining member and attachment used therefor | Emerging Cross-Sectional Technologies | 17 | Active |
| US7339620B1 | Image sensing apparatus having a signal processing device that uses a signal imaged in a non-exposure state to process a signal in an exposure state | Electricity | 11 | Expired |
| US5470956A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 10 | Expired |
| US5586091A | Magnetooptical recording apparatus including a control circuit for driving a switch element between on and off states in accordance with an error detection | Physics | 9 | Expired |
| US5596559A | Information reproducing apparatus for reproducing digital information by self-clock scheme | Physics | 7 | Expired |
| US5563863A | Information reproducing method and apparatus for reproducing digital information by determining the information in multiple bit units based on binarizer output signals | Physics | 6 | Expired |
| US6433820B1 | Image pickup system and storage medium | Electricity | 6 | Expired |
| US7583312B2 | Exposure control of image input apparatus | Electricity | 3 | Active |
| US5548284A | Information recording and/or reproduction apparatus | Physics | 3 | Expired |
| US6188734A | Data reproducing method and apparatus | Electricity | 2 | Expired |
| US5448422A | Magnetic head drive circuit including capacitors for storing charge to drive a magnetic head coil | Physics | 2 | Expired |
| US5161132A | Magneto-optical recording apparatus including a magnetic head of a pneumatic floating type | Physics | 2 | Expired |
| US5591648A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 2 | Expired |
| US8988541B2 | Image pickup apparatus | Electricity | 2 | Active |
| USRE44278E1 | Imaging system where a quick return mirror is returned to a down state and a stop is returned to a fully open state before the accumulation period ends | General | 1 | Active |
| US5802030A | Information reproducing apparatus and method for reproducing information by using a multibeam spot | Physics | 1 | Expired |
| US8031263B2 | Image input apparatus, a method of controlling thereof and a computer-readable storage medium | Electricity | 1 | Active |
| US7241984B2 | Imaging apparatus using saturation signal and photoelectric conversion signal to form image | Electricity | 0 | Expired |
| US7697059B2 | Imaging system where a quick return mirror is returned to a down state and a stop is returned to a fully open state before the accumulation period ends | Electricity | 0 | Expired |
| US8514324B2 | Image input apparatus, a method of controlling thereof and a computer-readable storage medium | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.