Naoki Kobayashi
325Patents
25h-index
404Co-inventors
93Inventor score
Filing activity: Apr 6, 1983 → Dec 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6920166B2 | Thin film deposition method of nitride semiconductor and nitride semiconductor light emitting device | Electricity | 247 | Expired |
| US9070962B2 | Surface communication device | Electricity | 205 | Active |
| US6622095B2 | Apparatus for determining concentrations of hemoglobins | Human Necessities | 175 | Expired |
| US6415236B1 | Apparatus for determining concentrations of hemoglobins | Human Necessities | 169 | Expired |
| US4767494A | Preparation process of compound semiconductor | Electricity | 152 | Expired |
| US6243290A | Nonvolatile semiconductor memory device | Physics | 145 | Expired |
| US5644341A | Ink jet head drive apparatus and drive method, and a printer using these | Performing Operations; Transporting | 139 | Expired |
| US5766125A | Apparatus for determining the concentration of light-absorbing materials in blood | Physics | 121 | Expired |
| US5999841A | Apparatus for measuring circulating blood volume | Human Necessities | 87 | Expired |
| US4829022A | Method for forming thin films of compound semiconductors by flow rate modulation epitaxy | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5690104A | Apparatus and method for measuring oxygen saturation in blood and apparatus and method for measuring concentration of light-absorbing materials in blood | Human Necessities | 68 | Expired |
| US5697371A | Apparatus for measuring circulating blood volume | Human Necessities | 67 | Expired |
| US5101808A | Outside-of-thorax type negative pressure artificial respirator | Human Necessities | 64 | Expired |
| US5668579A | Apparatus for and a method of driving an ink jet head having an electrostatic actuator | Performing Operations; Transporting | 56 | Expired |
| US6229095A | Multilayer wiring board | Electricity | 48 | Expired |
| US6977664B1 | Method for separating background sprite and foreground object and method for extracting segmentation mask and the apparatus | Physics | 43 | Expired |
| US6457378B2 | Control lever equipment for bar handle vehicle | Emerging Cross-Sectional Technologies | 43 | Expired |
| US9918058B2 | Information processing to allow projector units to project images in cooperation | Physics | 41 | Active |
| US4814876A | Electronic camera | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6174038A | Ink jet printer and drive method therefor | Performing Operations; Transporting | 35 | Expired |
| US6385249B1 | Data converting apparatus, method thereof, and recording medium | Electricity | 32 | Expired |
| US5766748A | Stretched film of lactic acid-based polymer | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6687156B2 | Semiconductor integrated circuit device, production and operation method thereof | Physics | 27 | Expired |
| US7206621B2 | Pulse oximeter | Human Necessities | 27 | Expired |
| US6438028B1 | Semiconductor integrated circuit device, production and operation method thereof | Electricity | 27 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.