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Krishnaswamy Ramkumar — 174 Patents

Cypress Semiconductor: 139 patents #2 of 1,866Top 1%

LSLongitude Flash Memory Solutions: 27 patents #1 of 26Top 4%

Infineon Technologies Ag: 6 patents #1,514 of 7,486Top 25%

San Jose, CA: #70 of 32,062 inventorsTop 1%

California: #748 of 386,348 inventorsTop 1%

Overall (All Time): #4,580 of 4,157,543Top 1%

174 Patents All Time

Krishnaswamy Ramkumar has been granted 174 US patents while listed as an inventor at Cypress Semiconductor. The first was granted in 1998 and the most recent in November 2025. Krishnaswamy Ramkumar ranks #4,580 of 4,157,543 US inventors in our database (top 0.11%). Patent records list Krishnaswamy Ramkumar in San Jose, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 174 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12464780	Nonvolatile charge trap memory device having a high dielectric constant blocking region	Igor Polishchuk, Sasha F. Levy	2025-11-04
12266521	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2025-04-01
12250815	Methods of equalizing gate heights in embedded non-volatile memory on HKMG technology	Shivananda Shetty	2025-03-11
12232324	Method of forming oxide-nitride-oxide stack of non-volatile memory and integration to CMOS process flow	Michael Allen	2025-02-18
12183395	Silicon-oxide-nitride-oxide-silicon based multi-level non-volatile memory device and methods of operation thereof	Venkatraman Prabhakar, Vineet Agrawal, Long Hinh, Swatilekha Saha, Santanu Kumar Samanta +2 more	2024-12-31
12048162	Method of ono integration into logic CMOS flow	Bo Jin, Fredrick B. Jenne	2024-07-23
12009401	Memory transistor with multiple charge storing layers and a high work function gate electrode	Igor Polishchuk, Sagy Levy	2024-06-11
11810616	Silicon-oxide-nitride-oxide-silicon multi-level non-volatile memory device and methods of fabrication thereof	Venkatraman Prabhakar, Vineet Agrawal, Long Hinh, Santanu Kumar Samanta, Ravindra M. Kapre	2023-11-07
11784243	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2023-10-10
11721733	Memory transistor with multiple charge storing layers and a high work function gate electrode	Igor Polishchuk, Sagy Levy	2023-08-08
11641745	Embedded sonos with a high-K metal gate and manufacturing methods of the same	—	2023-05-02
11610820	Embedded SONOS and high voltage select gate with a high-K metal gate and manufacturing methods of the same	Venkatraman Prabhakar	2023-03-21
11569254	Method of ono integration into logic CMOS flow	Bo Jin, Fredrick B. Jenne	2023-01-31
11456365	Memory transistor with multiple charge storing layers and a high work function gate electrode	Igor Polishchuk, Sagy Levy	2022-09-27
11367481	Silicon-oxide-nitride-oxide-silicon based multi-level non-volatile memory device and methods of operation thereof	Venkataraman Prabhakar, Vineet Agrawal, Long Hinh, Swatilekha Saha, Santanu Kumar Samanta +2 more	2022-06-21
11355185	Silicon-oxide-nitride-oxide-silicon multi-level non-volatile memory device and methods of fabrication thereof	Venkatraman Prabhakar, Vineet Agrawal, Long Hinh, Santanu Kumar Samanta, Ravindra M. Kapre	2022-06-07
11257912	Sonos stack with split nitride memory layer	Fredrick B. Jenne	2022-02-22
11222965	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2022-01-11
11056565	Flash memory device and method	Igor Polishchuk, Sagy Levy	2021-07-06
11017851	Silicon-oxide-nitride-oxide-silicon based multi level non-volatile memory device and methods of operation thereof	Venkataraman Prabhakar, Vineet Agrawal, Long Hinh, Swatilekha Saha, Santanu Kumar Samanta +2 more	2021-05-25
10903342	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2021-01-26
10903068	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2021-01-26
10896973	Oxide-nitride-oxide stack having multiple oxynitride layers	Sagy Levy, Fredrick B. Jenne, Sam Geha	2021-01-19
10854625	Method of integrating a charge-trapping gate stack into a CMOS flow	—	2020-12-01
10790364	SONOS stack with split nitride memory layer	Fredrick B. Jenne	2020-09-29