Nobuyuki Sakamoto
95Patents
13h-index
141Co-inventors
87Inventor score
Filing activity: Sep 6, 1988 → Mar 26, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5155941A | Industrial endoscope system having a rotary treatment member | Emerging Cross-Sectional Technologies | 1,384 | Expired |
| US5301061A | Endoscope system | Physics | 406 | Expired |
| US5873816A | Electronic endoscope having an insertional portion a part of which is a conductive armor | Electricity | 119 | Expired |
| US5269289A | Cavity insert device using fuzzy theory | Electricity | 112 | Expired |
| US5534214A | Process for coloring concrete | Emerging Cross-Sectional Technologies | 103 | Expired |
| US7704088B2 | Circuit board connector | Electricity | 61 | Active |
| US5150702A | Iris diaphragm device and endoscope having the same | Physics | 38 | Expired |
| US4991957A | Borescope apparatus | Human Necessities | 37 | Expired |
| US5096292A | Borescope apparatus | Physics | 25 | Expired |
| US4945499A | Graphic display system | Physics | 25 | Expired |
| US7371102B2 | Lock structure of connector | Electricity | 23 | Expired |
| US6753667B2 | Method and apparatus for controlling spindle motor to match plural modes of operation in a disk drive | Physics | 17 | Expired |
| US7044807B2 | Circuit board connector terminal | Electricity | 15 | Expired |
| US6902420B2 | Connector lock structure | Electricity | 11 | Expired |
| US7699622B2 | Electronic unit and assembling method thereof | Emerging Cross-Sectional Technologies | 11 | Active |
| US9762002B1 | Connector | Electricity | 11 | Active |
| US9812813B1 | Lever-type connector | Electricity | 11 | Active |
| US9127099B2 | Polymer and method for producing same | Chemistry; Metallurgy | 9 | Active |
| US7367818B2 | Onboard connector | Electricity | 9 | Active |
| US6858673B1 | Composition for hydrogel, hydrogel and use thereof | Human Necessities | 9 | Expired |
| US7347725B2 | Metal fixing member for fixing a connector to a wiring board | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7635282B2 | Coaxial cable shielding terminal with improved press-clamping portion | Electricity | 8 | Active |
| US9742115B2 | Connector | Electricity | 8 | Active |
| US9502812B2 | Connector having movable housing within frame | Electricity | 8 | Active |
| US7196863B2 | Apparatus and method for controlling head unload operation in disk drive | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.