Furukawa Mfg. Co., Ltd.
23Patents
5Active
23Granted
43Portfolio score
Filing activity: Apr 11, 1984 → Jun 28, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4580393A | Packing apparatus | Performing Operations; Transporting | 29 | Expired |
| US4586320A | Packing apparatus | Performing Operations; Transporting | 28 | Expired |
| US4754596A | Vacuum packaging method and apparatus | Performing Operations; Transporting | 22 | Expired |
| US4753060A | Method and apparatus for filling bags | Performing Operations; Transporting | 22 | Expired |
| US5009060A | Vacuum packaging apparatus | Performing Operations; Transporting | 20 | Expired |
| US4903459A | Method and apparatus for discharging vacuum packaged goods from vacuum packaging apparatus | Performing Operations; Transporting | 18 | Expired |
| US6539689B1 | Bag mouth sealing device | Performing Operations; Transporting | 17 | Expired |
| US5386678A | Method and apparatus for vacuum packaging | Performing Operations; Transporting | 16 | Expired |
| US6374580B1 | Method and apparatus for controlling bag-forming and-filling vacuum packaging machine | Performing Operations; Transporting | 15 | Expired |
| US7134256B2 | Packaging system | Performing Operations; Transporting | 13 | Expired |
| US5119615A | Apparatus for filling a product into a bag | Performing Operations; Transporting | 13 | Expired |
| US6458228B1 | Method and apparatus for controlling welding temperature of wrapping material | Performing Operations; Transporting | 10 | Expired |
| US5752369A | Apparatus for controlling operating of a packaging machine | Performing Operations; Transporting | 10 | Expired |
| US6834472B2 | Packaging system | Performing Operations; Transporting | 9 | Expired |
| US4723392A | Vacuum packaging method and apparatus | Performing Operations; Transporting | 8 | Expired |
| US6599389B1 | Ultrasonic sealing device for packaging material | Performing Operations; Transporting | 7 | Expired |
| USD300144S | Vacuum packaging machine | General | 3 | Expired |
| US11725748B2 | Apparatus and method for vacuumizing and sealing a package | Physics | 1 | Active |
| US6934311B2 | Semiconductor laser module and Raman amplifier | Electricity | 1 | Expired |
| US9714105B2 | Apparatus for supplying a large amount of bag | Performing Operations; Transporting | 1 | Active |
| US10941879B2 | Apparatus and method for vacuumizing and sealing a package | Physics | 1 | Active |
| US11285685B2 | Apparatus for feeding bag | Performing Operations; Transporting | 0 | Active |
| US11994237B2 | Apparatus and method for vacuumizing and sealing a package | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.