Yasuji Fujikawa
23Patents
9h-index
16Co-inventors
68Inventor score
Filing activity: Jul 18, 1986 → Oct 3, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5267591A | Device for preventing condensation of water vapor on filling nozzle for use in filling apparatus | Performing Operations; Transporting | 31 | Expired |
| US4838847A | Packaging machine | Performing Operations; Transporting | 18 | Expired |
| US5105997A | Filling nozzle having a tube holding portion for holding a rubber tube | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4776830A | Packaging machine | Performing Operations; Transporting | 15 | Expired |
| US4738077A | Apparatus for forming containers | Performing Operations; Transporting | 15 | Expired |
| US5222667A | Container made of paper-base laminate | Performing Operations; Transporting | 11 | Expired |
| US5097649A | Packaging machine | Performing Operations; Transporting | 10 | Expired |
| US5180356A | Carton blank erecter and feeder | Performing Operations; Transporting | 10 | Expired |
| US5295941A | Apparatus for producing containers made of paper-base laminate | Performing Operations; Transporting | 9 | Expired |
| US5162033A | Blank feeder | Performing Operations; Transporting | 7 | Expired |
| US6041834A | Liquid filling device | Performing Operations; Transporting | 6 | Expired |
| US6339914B1 | Packaging machine | Performing Operations; Transporting | 6 | Expired |
| US4925069A | Apparatus for filling specified amount of liquid | Physics | 6 | Expired |
| US5027983A | Apparatus for filling specified amount of liquid | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5176608A | Container blank erecter and feeder | Performing Operations; Transporting | 5 | Expired |
| US6343460B1 | Packaging machine | Performing Operations; Transporting | 5 | Expired |
| US6162156A | Packaging machine | Performing Operations; Transporting | 4 | Expired |
| US6336572B1 | Liquid filling apparatus and method of using same | Performing Operations; Transporting | 4 | Expired |
| US4995431A | Apparatus for filling specified amount of liquid | Performing Operations; Transporting | 4 | Expired |
| US6039058A | Device for and method of cleaning filling nozzle | Performing Operations; Transporting | 4 | Expired |
| US6401771B1 | Cleaning device for filling nozzles | Performing Operations; Transporting | 3 | Expired |
| US6899856B2 | Device for gasifying sterilizing liquid | Human Necessities | 3 | Expired |
| US6619340B2 | Liquid metering and filling lifter for containers | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.