Su S. Ryu

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Chunwon-kun, KR

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Patents Grantslast 30 patents

Information Patent Grant
Flap of video tape cassette and its installing structure
- Patent number 5,138,510
- Issue date Aug 11, 1992
- SKC Limited
- Su S. Ryu
- G11 - INFORMATION STORAGE
Information Patent Grant
Support spring for a tape cassette
- Patent number 5,094,434
- Issue date Mar 10, 1992
- SKC Limited
- Su S. Ryu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tape cartridge with T-shaped braking lever
- Patent number 5,091,813
- Issue date Feb 25, 1992
- SKC Limited
- Su S. Ryu
- G11 - INFORMATION STORAGE