Shinko Electric Co., Ltd.
230Patents
17Active
230Granted
43Portfolio score
Filing activity: Nov 25, 1974 → Sep 9, 2015 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5621982A | Electronic substrate processing system using portable closed containers and its equipments | Electricity | 547 | Expired |
| US5320218A | Closed container to be used in a clean room | Emerging Cross-Sectional Technologies | 445 | Expired |
| US4867629A | Dusttight storage cabinet apparatus for use in clean rooms | Emerging Cross-Sectional Technologies | 386 | Expired |
| US6152669A | Mechanical interface apparatus | Emerging Cross-Sectional Technologies | 292 | Expired |
| US5220263A | Charging control system for moving robot system | Emerging Cross-Sectional Technologies | 233 | Expired |
| US5179329A | Travel control method, travel control device, and mobile robot for mobile robot systems | Emerging Cross-Sectional Technologies | 226 | Expired |
| US5568030A | Travel control method, travel control device, and mobile robot for mobile robot systems | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5073749A | Mobile robot navigating method | Physics | 152 | Expired |
| US5431600A | Automatic transferring system using portable closed container | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5625559A | Transport management control apparatus and method for unmanned vehicle system | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4841216A | Engine start type VSCF generating system | Mechanical Engineering; Lighting; Heating | 72 | Expired |
| US5443346A | Wafer conveying system in a clean room | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4544826A | Method and device for controlling welding power supply to avoid spattering of the weld material | Performing Operations; Transporting | 66 | Expired |
| US5363867A | Article storage house in a clean room | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6041274A | Positional deviation detecting device for a mobile body and position correcting apparatus for a working machine mounted on a mobile body | Physics | 59 | Expired |
| US4939651A | Control method for an unmanned vehicle (robot car) | Physics | 56 | Expired |
| US5628604A | Conveying system | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5746008A | Electronic substrate processing system using portable closed containers | Electricity | 51 | Expired |
| US4904153A | Transporting robot for semiconductor wafers | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4939650A | Path correction method for a self-contained unmanned vehicle | Physics | 43 | Expired |
| USD366867S | Servomotor drive controller | General | 41 | Expired |
| US6019563A | Automated guided vehicle | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4868431A | Linear motor with an elongated core using oppositely polarized magnets to maximize perpendicular flux lines | Electricity | 40 | Expired |
| US5237229A | Magnetic bearing device with a rotating magnetic field | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6095054A | Transport system | Performing Operations; Transporting | 37 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.