| |
 |
|
|
Inventor: Lee; Han Seung
Address: Seoul, KR
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7501246 |
Gene for coding thermostable L-arabinose isomerase and method for producing the same |
March 10, 2009 |
| Disclosed are a gene coding for L-arabinose isomerase derived from Thermotoga neapolitana 5068, a thermostable arabinose isomerase expressed from the gene, a recombinant expression vector containing the gene, a microorganism transformed with the expression vector, a process for prepa |
| 6933138 |
Thermostable L-arabinose isomerase and process for preparing D-tagatose |
August 23, 2005 |
| Disclosed are a novel gene coding for L-arabinose isomease derived from Thermotoga neapolitana 5068, a thermostable arabinose isomerase expressed from the said gene, a recombinant expression vector containing the said gene, a microorganism transformed with the said expression vector, a |
| 6781462 |
Power amplifier |
August 24, 2004 |
| A power amplifier that utilizes a minimum amount of power, and, simultaneously, inhibits the generation of distortion is described. The power amplifier includes a differential input terminal, an output terminal, a negative feedback circuit, and an adaptive bias current control circui |
| 6466391 |
Head retraction circuit |
October 15, 2002 |
| A head retraction circuit receives a retraction signal from a microprocessor and sequentially turns on first and second drivers connected across a voice coil motor (VCM) winding of a hard disk drive system. The retraction circuit generates a first control signal to turn on a first dr |
| 6433497 |
Drive circuit of a three phase BLDC motor |
August 13, 2002 |
| Disclosed is a three phase BLDC motor driving circuit which makes a BEMF voltage generated in a motor lower than a voltage source and makes a difference between the BEMF voltage and the voltage source greater than a saturation voltage of a transistor. An emitter is coupled to the voltage |
|
|
|
