Issued Patents All Time
Showing 201–225 of 225 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361888 | Toughening of ceramic composites by transformation weakening of interphases | Waltraud M. Kriven | 2002-03-26 |
| 6327653 | Technique for easily changing operating systems of a digital computer system using at least two pushbuttons | — | 2001-12-04 |
| 6317392 | Optical disk with a non-volatile memory, optical disk unit, and control method for the optical disk unit | Yong-Sik Park | 2001-11-13 |
| 6275537 | Audio and video multiplexed transmission system | — | 2001-08-14 |
| 6231672 | Apparatus for depositing thin films on semiconductor wafer by continuous gas injection | Won-sung Choi | 2001-05-15 |
| 6191758 | Computer having auxiliary display device | — | 2001-02-20 |
| 6172703 | Video conference system and control method thereof | — | 2001-01-09 |
| 6146230 | Composition for electron emitter of field emission display and method for producing electron emitter using the same | Chang-Wook Kim, Kwi-Seok Choi, Jae-Myung Kim, Joong-Woo Nam | 2000-11-14 |
| 6059623 | Method of manufacturing a triode field emission display device that maintains a constant distance between a grid and a cathode electrode | Jae-Myung Kim, Kwi-Seok Choi, Joong-Woo Nam | 2000-05-09 |
| 6051928 | Plasma display device with ferroelectric dielectric layer | Kwi-Seok Choi, Kyu-Nam Joo, Su Chan LEE, Jong-Seo Choi | 2000-04-18 |
| 6028747 | Head drum assembly having a member locating and fixing video heads on an upper drum | — | 2000-02-22 |
| 6005382 | Output signal measuring apparatus for multiple frequency oscillator and output signal measuring and correcting methods thereof | — | 1999-12-21 |
| 6003131 | Computer system with a variety of applications and method for operating the same | Kyong-Kyu Lee | 1999-12-14 |
| 5982083 | Cathode for electron tube | Gyu-nam Ju, Jong-Seo Choi, Keun Bae Kim, Kwang-Min Lee, Kwi-Seok Choi +1 more | 1999-11-09 |
| 5978920 | Computer system having a function for intercepting lewd/violent programs and method for controlling access of such lewd/violent programs | — | 1999-11-02 |
| 5923841 | Computer system having security functions and a security method | — | 1999-07-13 |
| 5908791 | Method of forming a polycide gate of a semiconductor device | Seok-hyun Han, Kyoung-bo Shim, Dae Cho | 1999-06-01 |
| 5809223 | Network hibernation system and a control method thereof | Jong Sung Choi | 1998-09-15 |
| 5798891 | Rotary head drum for a VCR having ring shaped and circular magnets | — | 1998-08-25 |
| 5796837 | Apparatus and method for generating a secure substitution-box immune to cryptanalyses | Kwang-Jo Kim, Sang-Joon Park, Seung Cheol Goh, Dai Ki Lee | 1998-08-18 |
| 5757618 | Expansion board mounting structure for computers | — | 1998-05-26 |
| 5708820 | Network hibernation system for suspending and resuming operation of computer system operable in network environment in event of power failure or period of inactivity | Noh-byung Park, Shung-hyun Cho, Jong Sung Choi | 1998-01-13 |
| 5470047 | Electrical flame sensor for use in a gas cutting apparatus | Yoon Sub Shin, Se-Yeob Chang, Jae-Kon Kim | 1995-11-28 |
| 5144575 | High speed floating point type multiplier circuit | Ho-sun Jeong | 1992-09-01 |
| 4914178 | Thermoplastic polyetherester block copolymers | Kyung Min Kim | 1990-04-03 |