Koichi Kitamura
27Patents
8h-index
45Co-inventors
75Inventor score
Filing activity: Jun 17, 1980 → Feb 17, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5604775A | Digital phase locked loop having coarse and fine stepsize variable delay lines | Electricity | 123 | Expired |
| US5700437A | Method for removing carbon dioxide from combustion exhaust gas | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5378442A | Method for treating combustion exhaust gas | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5051803A | Diode and producing method thereof and contact image sensor device comprising the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5004903A | Contact type image sensor device with specific capacitance ratio | Electricity | 9 | Expired |
| US4714836A | Photosensitive pixel with exposed blocking element | Electricity | 9 | Expired |
| US5166757A | Dry-etched amorphous silicon device with recessed electrode | Electricity | 9 | Expired |
| US6647304B2 | Product management method and system | Physics | 9 | Expired |
| US5218462A | Image sensor module for handy-type image input apparatus | Electricity | 8 | Expired |
| US4746804A | Photosensitive pixel with exposed blocking element | Electricity | 8 | Expired |
| US6681314B1 | FIFO memory device suitable for data transfer apparatuses with different data bus widths and method for controlling the same | Physics | 7 | Expired |
| US5097120A | Contact type image sensor device | Electricity | 6 | Expired |
| US5142381A | Complete close-contact type image sensor | Electricity | 5 | Expired |
| US5106347A | Rotational speed differential responsive type torque transmitting assembly with variable orifice means | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4331872A | Method for measurement of distribution of inclusions in a slab by electron beam irradiation | Physics | 5 | Expired |
| US5603377A | Heat pipe and gas-liquid contacting apparatus capable of heat exchange using the heat pipes and heat exchanger of gas-liquid contacting plate type | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5149955A | Full contact image sensor device with light blocking means | Electricity | 5 | Expired |
| US7241044B1 | Production control system of autonomous and decentralized type | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5231503A | Image sensor apparatus with noise cancellation circuitry | Electricity | 4 | Expired |
| US5191202A | Photoelectric conversion device | Electricity | 4 | Expired |
| US6150643A | Insulating material, electrical heating unit employing same, and manufacturing method therefor | Electricity | 3 | Expired |
| US7832657B2 | Apparatus for lowering water temperature of sea surface | Emerging Cross-Sectional Technologies | 3 | Active |
| US5137130A | Controlled type rotation speed difference sensitive coupling | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5216524A | Complete-contact type image sensor | Electricity | 2 | Expired |
| US5140148A | Method and apparatus for driving image sensor device | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.