KOGANEI CORPORATION
139Patents
95Active
139Granted
54Portfolio score
Filing activity: Jul 14, 1987 → Apr 15, 2022 · 32 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6238576A | Chemical liquid supply method and apparatus thereof | Chemistry; Metallurgy | 66 | Expired |
| US7263890B2 | Vacuum clamping detection method and vacuum clamping detector | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6439560B2 | Positioning and clamping apparatus | Performing Operations; Transporting | 34 | Expired |
| USD567961S1 | Tube for chemical supply pump | General | 33 | Expired |
| US5857661A | Valve drive control method, valve drive control apparatus and fluid member supply apparatus | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6733250B2 | Filter unit, chemical liquid supply system, and chemical liquid supply method | Performing Operations; Transporting | 22 | Expired |
| US7338599B2 | Filtration systems and fitting arrangements for filtration systems | Performing Operations; Transporting | 21 | Expired |
| US4848727A | Solenoid valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6183223A | Chemical supply system with a pair of bellows connected in series for pumping a fluid | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| USD444723S | Air pressure regulator | General | 15 | Expired |
| US7007938B2 | Clamping apparatus | Performing Operations; Transporting | 13 | Expired |
| US7878375B2 | Chemical liquid supply device | Physics | 12 | Active |
| US8133042B2 | Chemical liquid supplying apparatus and pump assembly | Mechanical Engineering; Lighting; Heating | 11 | Active |
| USD410523S | Solenoid operated valve | General | 11 | Expired |
| US7444922B2 | Fastening assembly, fastener, and fluid pressure cylinder unit | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7901620B2 | Method and device for cleaning circulation water | Chemistry; Metallurgy | 11 | Expired |
| US7594801B2 | Chemical liquid apparatus and deaerating method | Physics | 11 | Expired |
| US4798128A | Double acting cylinder unit | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9315372B2 | Grease pump unit | Emerging Cross-Sectional Technologies | 10 | Active |
| US8132801B2 | Positioning and clamping apparatus | Emerging Cross-Sectional Technologies | 10 | Active |
| US8869827B2 | Pressure regulator | Emerging Cross-Sectional Technologies | 9 | Active |
| US6539986B2 | Liquid discharging apparatus and method for discharging liquid | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7311036B2 | Pneumatic cylinder | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5807085A | Liquid medicine supplying system with valve devices | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7452016B2 | Non-contact carrying device | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.