Yu Hong Ja

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical isolator using a beam aperture method
- Patent number 6,018,604
- Issue date Jan 25, 2000
- Ja Laboratories, Inc.
- Yu Hong Ja
- G02 - OPTICS
Information Patent Grant
Optical air-path isolator using a beam aperture method
- Patent number 5,973,851
- Issue date Oct 26, 1999
- Ja Laboratories, Inc.
- Yu Hong Ja
- G02 - OPTICS
Information Patent Grant
Transmissive optical and magneto-optical data storage media and met...
- Patent number 5,968,626
- Issue date Oct 19, 1999
- Read-Rite Corporation
- Yu Hong Ja
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical and magneto-optic data storage systems utilizing transmissi...
- Patent number 5,966,363
- Issue date Oct 12, 1999
- Read-Rite Corporation
- Yu-Hong Ja
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmissive data storage media and an optical head using holograph...
- Patent number 5,894,465
- Issue date Apr 13, 1999
- Rrad-Rite Corporation
- Yu Hong Ja
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmissive optical and magneto-optical data storage media
- Patent number 5,742,581
- Issue date Apr 21, 1998
- Read-Rite Corporation
- Yu Hong Ja
- G11 - INFORMATION STORAGE
Information Patent Grant
Stationary optical data storage system using holographic or acousto...
- Patent number 5,740,148
- Issue date Apr 14, 1998
- Read-Rite Corporation
- Yu Hong Ja
- G11 - INFORMATION STORAGE