Douk-Hyoun Ryu — 15 Patents at United Microelectronics

Douk-Hyoun Ryu has been granted 15 US patents while listed as an inventor at United Microelectronics. The first was granted in 1998 and the most recent in September 2021. Douk-Hyoun Ryu ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Douk-Hyoun Ryu in San Jose, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11114180	Non-volatile memory device	Chi-Shun Lin, Ngatik Cheung, Ming-Huei Shieh, Chuen-Der Lien	2021-09-07	$2,947,000
10930346	Resistive memory with self-termination control function and self-termination control method	Chi-Shun Lin	2021-02-23	$3,401,000
10811092	RRAM with plurality of 1TnR structures	Chi-Shun Lin, Chuen-Der Lien, Ming-Huei Shieh, Seow Fong Lim	2020-10-20	$1,374,000
10790007	Memory device and method for assiting read operation	Chi-Shun Lin	2020-09-29	$1,291,000
10700878	Physical unclonable function code generation apparatus and method thereof	Seow Fong Lim	2020-06-30	$249,000
10262732	Programmable array logic circuit and operating method thereof	Seow Fong Lim, Chi-Shun Lin, Ngatik Cheung	2019-04-16	$149,000
9859000	Apparatus for providing adjustable reference voltage for sensing read-out data for memory	Chi-Shun Lin, Ngatik Cheung, Seow Fong Lim, Koying Huang	2018-01-02	$109,000
9576652	Resistive random access memory apparatus with forward and reverse reading modes	Seow Fong Lim, Johnny Chan, Chi-Shun Lin	2017-02-21	$288,000
9424914	Resistive memory apparatus and memory cell thereof	Ming-Huei Shieh, Yuan-Mou Su, Hua-Yu Su, Young Tae Kim	2016-08-23	$1,917,000
9269428	RRAM memory device and method thereof	—	2016-02-23
9153316	Circuits and read methods of RRAM	—	2015-10-06
8279686	Memory circuits, systems, and methods for providing bit line equalization voltages	Kuoyuan Hsu, TaeHyung Jung, Young Suk Kim	2012-10-02	$4,291,000
6272059	Bit line sense-amplifier for a semiconductor memory device and a method for driving the same	Yong Ho Seol	2001-08-07
5946225	SRAM device having negative voltage generator for performing stable data latch operation	Yong-chul Cho, In Hwan Eum	1999-08-31
5712821	Redundancy circuit of semiconductor memory device	Taek Moo Kim	1998-01-27

Douk-Hyoun Ryu — 15 Patents

Issued Patents All Time

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