DB HiTek Co., Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DB HiTek Co., Ltd..The latest application filed is for "amplifier capable of minimizing short-circuit current of output stage while having improved slew rate".

Company Profile

137.164.97

DB HiTek Co., Ltd. - Bucheon-Si KR
DB HiTek Co., Ltd. - Seoul KR
DB HiTek Co., Ltd - Seoul N/A KR
DB HITEK CO., LTD. - Gangnam-gu Seoul KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
High Voltage Semiconductor Device App 20220285247 - SONG; Yang Hee	2022-09-08
Superjunction Semiconductor Device Having Floating Region And Method Of Manufacturing Same App 20220285488 - PYUN; Myeong Bum ; et al.	2022-09-08
Superjunction Semiconductor Device With Different Effective Epitaxial Layer Thicknesses And Method Of Manufacturing Same App 20220285487 - CHO; Won Kook ; et al.	2022-09-08
Amplifier Having Improved Slew Rate App 20220286091 - KIM; Mun Gyu ; et al.	2022-09-08
Amplifier Capable Of Minimizing Short-circuit Current Of Output Stage While Having Improved Slew Rate App 20220286099 - KIM; Mun Gyu ; et al.	2022-09-08
Insulated gate bipolar transistor and method of manufacturing same Grant 11,430,880 - Kim August 30, 2	2022-08-30
ESD protection circuit for I/O buffer Grant 11,431,165 - Lee , et al. August 30, 2	2022-08-30
Superjunction Semiconductor Device App 20220271120 - KIM; Young Kwon ; et al.	2022-08-25
Superjunction Semiconductor Device Having Reduced Source Area And Method Of Manufacturing Same App 20220271121 - LEE; Ji Eun ; et al.	2022-08-25
Superjunction Semiconductor Device And Method Of Manufacturing Same App 20220271154 - HAN; Yong Sin ; et al.	2022-08-25
Spad Pixel Structure And Method Of Manufacturing Same App 20220271183 - CHOI; Byoung Soo	2022-08-25
Back plate and MEMS microphone having the same Grant 11,418,889 - Sun , et al. August 16, 2	2022-08-16
Electrostatic Discharge Protection Circuit App 20220239095 - LEE; Sang Mok ; et al.	2022-07-28
Output Buffer And Source Driver Including The Same App 20220238081 - JUNG; Hak Jin ; et al.	2022-07-28
Backside illuminated image sensor and method of manufacturing the same Grant 11,362,130 - Han , et al. June 14, 2	2022-06-14
RF switch device Grant 11,362,655 - Koo , et al. June 14, 2	2022-06-14
Mems Microphone And Method Of Manufacturing The Same App 20220182769 - PARK; Dong Chun	2022-06-09
Mems Microphone And Method Of Manufacturing The Same App 20220182745 - JUNG; Min Hyun	2022-06-09
Mems Microphone And Method Of Manufacturing The Same App 20220182768 - JUNG; Min Hyun	2022-06-09
Insulated gate bipolar transistor and method of manufacturing same Grant 11,309,411 - Kim April 19, 2	2022-04-19
Super junction semiconductor device and method of manufacturing the same Grant 11,309,384 - Kim April 19, 2	2022-04-19
Lateral double diffused metal oxide semiconductor and method of fabricating same Grant 11,296,222 - Kim April 5, 2	2022-04-05
Backside illuminated image sensor and method of manufacturing the same Grant 11,296,138 - Han , et al. April 5, 2	2022-04-05
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20220068984 - HAN; Chang Hun	2022-03-03
Semiconductor Device Formed On Soi Substrate App 20220068793 - LIM; Ki Won ; et al.	2022-03-03
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20220068985 - HAN; Chang Hun	2022-03-03
Super Junction Semiconductor Device And Method Of Manufacturing The Same App 20220069075 - LEE; Ji Eun ; et al.	2022-03-03
MEMS microphone and method of manufacturing the same Grant 11,259,125 - Lee , et al. February 22, 2	2022-02-22
MEMS microphone and method of manufacturing the same Grant 11,259,105 - Sun February 22, 2	2022-02-22
Diaphragm, Mems Microphone Having The Same And Method Of Manufacturing The Same App 20220038826 - LEE; Jin Hyung	2022-02-03
Super Junction Semiconductor Device And Method Of Manufacturing The Same App 20220037463 - KIM; Jong Min	2022-02-03
Photodiode and X-ray sensor including the same Grant 11,233,160 - Kim January 25, 2	2022-01-25
3d Image Sensor App 20220013565 - HA; Man-Lyun	2022-01-13
Organic emitting display device having reflective metal layers on different levels above red, green and blue pixel regions and method of manufacturing same Grant 11,223,030 - Park , et al. January 11, 2	2022-01-11
Backside illuminated image sensor and method of manufacturing same Grant 11,222,917 - Han , et al. January 11, 2	2022-01-11
Voltage on-off detector and electronic device including the same Grant 11,215,648 - Lee , et al. January 4, 2	2022-01-04
MEMS microphone, method of manufacturing the same and MEMS microphone package including the same Grant 11,208,320 - Kim , et al. December 28, 2	2021-12-28
Insulated Gate Bipolar Transistor And Method Of Manufacturing Same App 20210384334 - KIM; Young-Seok	2021-12-09
Insulated Gate Bipolar Transistor And Method Of Manufacturing Same App 20210384329 - KIM; Young-Seok	2021-12-09
Output amplifier and display driver integrated circuit including the same Grant 11,189,244 - Kim , et al. November 30, 2	2021-11-30
Anode structure, method of forming the same and organic light emitting diode display device including the same Grant 11,189,674 - Kim , et al. November 30, 2	2021-11-30
Bipolar junction transistor, BiCOMOS device including same, and method of manufacturing BiCMOS device Grant 11,152,354 - Kim , et al. October 19, 2	2021-10-19
Organic Light Emitting Display Device And Method Of Manufacturing Same App 20210280830 - PARK; Dong-Hoon ; et al.	2021-09-09
Esd Protection Circuit For I/o Buffer App 20210281066 - LEE; Sang-Mok ; et al.	2021-09-09
Rf Switch Device App 20210281260 - KOO; Ja-Geon ; et al.	2021-09-09
Organic Light-Emitting Diode Display Device and Manufacturing Method Thereof App 20210280815 - KIM; Young-Jin ; et al.	2021-09-09
Esd Protection Device And Manufacturing Method Thereof App 20210280574 - KIM; Jong-Min	2021-09-09
MEMS microphone and method of manufacturing the same Grant 11,115,756 - Kwon , et al. September 7, 2	2021-09-07
Voltage on-off detector and electronic device including the same Grant 11,063,587 - Lee , et al. July 13, 2	2021-07-13
P-type lateral double diffused MOS transistor and method of manufacturing the same Grant 11,049,938 - Lee June 29, 2	2021-06-29
Transistor circuit and electronic circuit having same Grant 11,038,501 - Hwang June 15, 2	2021-06-15
Signal control unit for an organic light emitting diode display device Grant 10,991,786 - Jung , et al. April 27, 2	2021-04-27
MEMS microphone and method of manufacturing the same Grant 10,993,041 - Sun April 27, 2	2021-04-27
Image Sensor App 20210118923 - OH; Dong Jun ; et al.	2021-04-22
Input/output circuit and electronic device including the same Grant 10,985,754 - Lee , et al. April 20, 2	2021-04-20
MEMS microphone, method of manufacturing the same and MEMS microphone package including the same Grant 10,966,030 - Jung March 30, 2	2021-03-30
Backside illuminated image sensor and method of manufacturing the same Grant 10,957,734 - Han March 23, 2	2021-03-23
Backside illuminated image sensor and method of manufacturing the same Grant 10,950,649 - Han , et al. March 16, 2	2021-03-16
Signal control unit for an organic light emitting diode display device, method of manufacturing the same, and organic light emitting diode display device including the same Grant 10,950,675 - Kim , et al. March 16, 2	2021-03-16
Source driver and display apparatus including the same Grant 10,937,359 - Choi March 2, 2	2021-03-02
Backside illuminated image sensor and method of manufacturing the same Grant 10,923,522 - Han February 16, 2	2021-02-16
Semiconductor device and method of manufacturing the same Grant 10,910,493 - Ko February 2, 2	2021-02-02
Lateral Double Diffused Metal Oxide Semiconductor And Method Of Fabricating Same App 20210028307 - KIM; Joo-Hyung	2021-01-28
Half-power buffer amplifier, source driver, and display apparatus including the same Grant 10,902,806 - Choi , et al. January 26, 2	2021-01-26
Output buffer circuit Grant 10,886,920 - Kim , et al. January 5, 2	2021-01-05
ESD protection silicon controlled rectifier device Grant 10,879,231 - Noh , et al. December 29, 2	2020-12-29
Non-volatile memory array Grant 10,868,023 - Lee December 15, 2	2020-12-15
MEMS microphone, method of manufacturing the same and MEMS microphone package including the same Grant 10,848,876 - Jung November 24, 2	2020-11-24
Photodiode And X-ray Sensor Including The Same App 20200365742 - KIM; Jong Min	2020-11-19
Image Sensor And Method Of Manufacturing Same App 20200366857 - CHOI; Woo-Sung ; et al.	2020-11-19
Lateral double diffused MOS transistor Grant 10,840,370 - Kim , et al. November 17, 2	2020-11-17
MEMS microphone and method of manufacturing the same Grant 10,841,711 - Sun November 17, 2	2020-11-17
BIPOLAR JUNCTION TRANSISTOR, BiCOMOS DEVICE INCLUDING SAME, AND METHOD OF MANUFACTURING BiCMOS DEVICE App 20200357790 - KIM; Hyun-Jin ; et al.	2020-11-12
Transistor Circuit And Electronic Circuit Having Same App 20200343886 - HWANG; Tae-Ho	2020-10-29
Output Amplifier and Display Driver Integrated Circuit Including the Same App 20200342829 - KIM; Mun Gyu ; et al.	2020-10-29
Output Buffer Circuit App 20200343893 - KIM; Mun-Gyu ; et al.	2020-10-29
Mems Microphone And Method Of Manufacturing The Same App 20200336842 - KWON; Hyeok In ; et al.	2020-10-22
Element isolation layer structure and method of manufacturing the same Grant 10,811,311 - Park , et al. October 20, 2	2020-10-20
Mems Microphone And Method Of Manufacturing The Same App 20200322732 - LEE; Han Choon ; et al.	2020-10-08
MEMS microphone and method of manufacturing the same Grant 10,785,557 - Park , et al. Sept	2020-09-22
MEMS microphone and method of manufacturing the same Grant 10,785,577 - Na , et al. Sept	2020-09-22
Anode Structure, Method Of Forming The Same And Organic Light Emitting Diode Display Device Including The Same App 20200295104 - Kim; Young Jin ; et al.	2020-09-17
Array cell unit, method of manufacturing the same and light emitting diode display device including the same Grant 10,777,767 - Nam Sept	2020-09-15
Display driver IC and display apparatus including the same Grant 10,777,112 - Heo , et al. Sept	2020-09-15
Super Junction Semiconductor Device And Method Of Manufacturing The Same App 20200279911 - Kim; Young Seok	2020-09-03
Super Junction Semiconductor Device And Method Of Manufacturing The Same App 20200279912 - Joung; Tae Young ; et al.	2020-09-03
Back Plate And Mems Microphone Having The Same App 20200280808 - SUN; Jong Won ; et al.	2020-09-03
High voltage semiconductor device and method of manufacturing same Grant 10,763,358 - Lee Sep	2020-09-01
Gamma correction circuit and gamma correction method Grant 10,762,825 - Kim , et al. Sep	2020-09-01
Method of manufacturing a gate structure for a nonvolatile memory device Grant 10,756,191 - Gu , et al. A	2020-08-25
Anode structure for an organic light emitting diode display device Grant 10,749,133 - Nam A	2020-08-18
High voltage power diode Grant 10,741,701 - Kim , et al. A	2020-08-11
MEMS microphone and method of manufacturing the same Grant 10,735,866 - Sun	2020-08-04
MEMS microphone and method of manufacturing the same Grant 10,735,867 - Kim , et al.	2020-08-04
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20200235145 - Han; Chang Hun ; et al.	2020-07-23
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20200235144 - Han; Chang Hun ; et al.	2020-07-23
Source driver and display device including the same Grant 10,720,120 - Yang	2020-07-21
Half-power buffer amplifier, data driver and display apparatus including the same Grant 10,720,121 - Kim	2020-07-21
MEMS microphone and method of manufacturing the same Grant 10,681,472 - Sun	2020-06-09
Source driver and display apparatus including the same Grant 10,643,567 - Kim	2020-05-05
Buffer amplifier Grant 10,630,266 - Kim	2020-04-21
Backside Illuminated Image Sensor and Method of Manufacturing Same App 20200119062 - HAN; Chang-Hun ; et al.	2020-04-16
Display Driver Ic And Display Apparatus Including The Same App 20200098297 - HEO; JUNG ; et al.	2020-03-26
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20200091209 - Han; Chang Hun	2020-03-19
Source driver and display apparatus including the same Grant 10,586,498 - Ryu	2020-03-10
High Voltage Semiconductor Device and Method of Manufacturing Same App 20200044079 - LEE; Jong Ho	2020-02-06
Half-Power Buffer Amplifier, Data Driver and Display Apparatus Including the Same App 20200043435 - KIM; Ik Hyun	2020-02-06
Half-power Buffer Amplifier, Source Driver, And Display Apparatus Including The Same App 20200035175 - CHOI; Dong Gwi ; et al.	2020-01-30
Source Driver and Display Apparatus Including the Same App 20200035187A1 -	2020-01-30
MEMS microphone and method of manufacturing the same Grant 10,544,038 - Park , et al. Ja	2020-01-28
Mems Microphone, Method Of Manufacturing The Same And Mems Microphone Package Including The Same App 20200017357 - Kim; Dae Young ; et al.	2020-01-16
Gamma Correction Circuit and Gamma Correction Method App 20200020268 - KIM; Kyoung Tae ; et al.	2020-01-16
Mems Microphone And Method Of Manufacturing The Same App 20200021920 - Sun; Jong Won	2020-01-16
Mems Microphone And Method Of Manuafcturing The Same App 20200015020 - Sun; Jong Won	2020-01-09
Mems Microphone And Method Of Manufacturing The Same App 20200014994 - Sun; Jong Won	2020-01-09
Sensing circuit and touch sensor including the same Grant 10,528,187 - Hwang J	2020-01-07
Mems Microphone And Method Of Manufacturing The Same App 20190387325 - Na; Ye Eun ; et al.	2019-12-19
Half-power buffer and/or amplifier Grant 10,504,471 - Kim , et al. Dec	2019-12-10
Backside illuminated image sensor Grant 10,497,736 - Han De	2019-12-03
Area-efficient apparatus and method for sensing signal using overlap sampling time Grant 10,490,134 - Hwang Nov	2019-11-26
Digital-to-analog converter, data driver and display apparatus including the same Grant 10,482,824 - Choi , et al. Nov	2019-11-19
Mems Microphone, Method Of Manufacturing The Same And Mems Microphone Package Including The Same App 20190342671 - Jung; Min Hyun	2019-11-07
Mems Microphone, Method Of Manufacturing The Same And Mems Microphone Package Including The Same App 20190342670 - Jung; Min Hyun	2019-11-07
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20190333947 - Han; Chang Hun ; et al.	2019-10-31
Esd Protection Silicon Controlled Rectifier Device App 20190319024 - Noh; Seok Soon ; et al.	2019-10-17
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20190319054 - Han; Chang Hun	2019-10-17
Signal Control Unit For An Organic Light Emitting Diode Display Device, Method Of Manufacturing The Same, And Organic Light Emit App 20190319081 - Kim; Dae Il ; et al.	2019-10-17
Semiconductor Device Comprising 3d Channel Region And Method Of Manufacturing The Same App 20190319106 - CHOI; Yong-Keon	2019-10-17
Data driver and display apparatus including the same Grant 10,446,107 - Kim , et al. Oc	2019-10-15
Level shifter, and source driver, gate driver and display device including the same Grant 10,447,252 - Hwang Oc	2019-10-15
MEMS microphone and method of manufacturing the same Grant 10,412,504 - Sun , et al. Sept	2019-09-10
Image sensor and method of manufacturing the same Grant 10,403,660 - Ha Sep	2019-09-03
Source driver and display device including the same Grant 10,403,226 - Kim Sep	2019-09-03
Semiconductor gas sensor and method of manufacturing the same Grant 10,393,689 - Lee , et al. A	2019-08-27
Non-volatile Memory Array And Method Of Manufacturing The Same App 20190244967 - Lee; Jun Ho	2019-08-08
Lateral Double Diffused Mos Transistor App 20190245081 - Kim; Jong Min ; et al.	2019-08-08
Method Of Manufacturing A Gate Structure For A Nonvolatile Memory Device App 20190244822 - Gu; Sung Mo ; et al.	2019-08-08
Buffer Amplifier App 20190245524 - KIM; Ik-Hyun	2019-08-08
Semiconductor device having auxiliary electrode formed in field plate region Grant 10,374,077 - Choi	2019-08-06
Semiconductor Device And Method Of Manufacturing The Same App 20190229213 - Ko; Choul Joo	2019-07-25
Element Isolation Layer Structure And Method Of Manufacturing The Same App 20190221476 - Park; Dong Hoon ; et al.	2019-07-18
Semiconductor Device Formed On A Soi Substrate App 20190221643 - Cho; Yong Soo	2019-07-18
Semiconductor Device And Method Of Manufacturing The Same App 20190221666 - Bang; Ki Wan ; et al.	2019-07-18
High Voltage Power Diode App 20190214508 - Kim; Jong Min ; et al.	2019-07-11
Source Driver And Display Apparatus Including The Same App 20190189061 - RYU; Choong Sik	2019-06-20
Source Driver And Display Device Including The Same App 20190189076 - YANG; Seung Chul	2019-06-20
Semiconductor device and radio frequency module formed on high resistivity substrate Grant 10,325,867 - Cho	2019-06-18
Analog-to-digital converter Grant 10,326,467 - Shim	2019-06-18
P-type Lateral Double Diffused Mos Transistor And Method Of Manufacturing The Same App 20190181227 - LEE; Chang Eun	2019-06-13
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20190181167 - YEO; In Guen	2019-06-13
Array Cell Unit, Method Of Manufacturing The Same And Light Emitting Diode Display Device Including The Same App 20190181371 - NAM; Sang Woo	2019-06-13
Analog-to-digital Converter App 20190181876 - SHIM; Hee Sung	2019-06-13
Anode Structure For An Organic Light Emitting Diode Display Device App 20190181372 - Nam; Sang Woo	2019-06-13
Backside illuminated CMOS image sensor and method of manufacturing the same Grant 10,319,762 - Han	2019-06-11
Source Driver And Display Apparatus Including The Same App 20190172387 - CHOI; Yong Ho	2019-06-06
Circuit for sensing threshold voltage and display device including the same Grant 10,290,263 - Hwang	2019-05-14
MEMS microphone and method of manufacturing the same Grant 10284962 -	2019-05-07
Electrostatic discharge protection device Grant 10,276,557 - Han , et al.	2019-04-30
Apparatus and method for adjusting color of display apparatus Grant 10,249,228 - Han	2019-04-02
Display apparatus Grant 10,248,235 - Kim	2019-04-02
Level Shifter, and Source Driver, Gate Driver and Display Device Including the Same App 20190097614 - HWANG; Yeon Seong	2019-03-28
Semiconductor gas sensor and method of manufacturing the same Grant 10,241,067 - Lee , et al.	2019-03-26
Source Driver and Display Device Including the Same App 20190088230 - KIM; Yoo Sung	2019-03-21
Signal Control Unit For An Organic Light Emitting Diode Display Device, Method Of Manufacturing The Same, And Organic Light Emitting Diode Display Device Including The Same App 20190088732 - JUNG; Jin Hyo ; et al.	2019-03-21
Demos Transistor And Method Of Manufacturing The Same App 20190088780 - CHOI; Kee Joon ; et al.	2019-03-21
Mems Microphone And Method Of Manufacturing The Same App 20190082270 - SUN; Jong Won	2019-03-14
Mems Microphone And Method Of Manufacturing The Same App 20190082271 - KIM; Dae Young ; et al.	2019-03-14
Half-Power Buffer and/or Amplifier App 20190080660 - KIM; Mun Gyu ; et al.	2019-03-14
Mems Microphone And Method Of Manufacturing The Same App 20190082269 - SUN; Jong Won	2019-03-14
Circuit for sensing threshold voltage and display device including the same Grant 10,223,977 - Hwang	2019-03-05
Semiconductor device and radio frequency module formed on high resistivity substrate Grant 10,217,740 - Cho Feb	2019-02-26
Isolation structure and image sensor having the same Grant 10,217,784 - Kim Feb	2019-02-26
Bipolar junction transistor and method of manufacturing the same Grant 10,217,739 - Kim Feb	2019-02-26
Backside illuminated image sensor and method of manufacturing the same Grant 10,217,787 - Han Feb	2019-02-26
Super junction MOSFET and method of manufacturing the same Grant 10,217,857 - Kim , et al. Feb	2019-02-26
Mems Microphone And Method Of Manufacturing The Same App 20190047849 - PARK; Dong Chun ; et al.	2019-02-14
Backside Illuminated CMOS Image Sensor and Method of Manufacturing the Same App 20190051689 - HAN; Chang-Hun	2019-02-14
Data Driver and Display Apparatus Including the Same App 20190051264 - Kim; Bo Sung ; et al.	2019-02-14
Mems Microphone And Method Of Manufacturing The Same App 20190052976 - SUN; Jong Won	2019-02-14
Area-Efficient Apparatus and Method for Sensing Signal Using Overlap Sampling Time App 20190051251 - HWANG; Tae-Ho	2019-02-14
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20190035828 - HAN; Chang Hun	2019-01-31
Image sensor and sensing method thereof Grant 10,194,106 - Shim , et al. Ja	2019-01-29
Image sensor Grant 10,186,536 - Ha Ja	2019-01-22
Backside Illuminated Image Sensor And Method Of Manufacturing The Same App 20190019822 - HAN; Chang Hun	2019-01-17
MEMS microphone and method of manufacturing the same Grant 10,158,952 - Sun , et al. Dec	2018-12-18
MEMS microphone and method of manufacturing the same Grant 10,158,949 - Sun , et al. Dec	2018-12-18
Image Sensor And Method Of Manufacturing The Same App 20180342548 - HA; Man Lyun	2018-11-29
Data Driver and Display Apparatus Including the Same App 20180342210 - CHOI; Kee Joon ; et al.	2018-11-29
Photo-detector Grant 10,141,369 - Park Nov	2018-11-27
Apparatus for touch sensor test Grant 10,132,857 - Heo November 20, 2	2018-11-20
High voltage semiconductor device Grant 10,008,594 - Choi , et al. June 26, 2	2018-06-26
High voltage semiconductor device and method of manufacturing the same Grant 9,941,364 - Jung , et al. April 10, 2	2018-04-10
Image sensor and method of manufacturing the same Grant 9,923,014 - Yeo March 20, 2	2018-03-20
Touch sensor, display apparatus including the same, and method of sensing touch panel Grant 9,904,407 - Hong , et al. February 27, 2	2018-02-27