Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AK

Ayan Kar — 18 Patents

Intel: 18 patents #2,313 of 30,777Top 8%
Portland, OR: #1,043 of 9,213 inventorsTop 15%
Oregon: #2,430 of 28,073 inventorsTop 9%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Ayan Kar has been granted 18 US patents while listed as an inventor at Intel. The first was granted in 2021 and the most recent in December 2025. Ayan Kar ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Ayan Kar in Portland, OR, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12507475 Substrate-less lateral diode integrated circuit structures Nicholas A. Thomson, Kalyan C. Kolluru, Rui Ma, Benjamin Orr, Nathan Jack +4 more 2025-12-23
12402349 Gate-all-around integrated circuit structures having devices with channel-to-substrate electrical contact Biswajeet Guha, William Hsu, Chung-Hsun Lin, Kinyip Phoa, Oleg Golonzka +5 more 2025-08-26
12328946 ESD protection decoupled from diffusion Urusa Alaan, Abhishek A. Sharma, Charles C. Kuo, Benjamin Orr, Nicholas A. Thomson +6 more 2025-06-10
12328947 Substrate-less silicon controlled rectifier (SCR) integrated circuit structures Rui Ma, Kalyan C. Kolluru, Nicholas A. Thomson, Benjamin Orr, Nathan Jack +3 more 2025-06-10
12317590 Substrate-free integrated circuit structures Biswajeet Guha, Brian J. Greene, Avyaya Jayanthinarasimham, Benjamin Orr, Chung-Hsun Lin +9 more 2025-05-27
12294003 Integrated circuit structures including backside vias Nicholas A. Thomson, Kalyan C. Kolluru, Adam Clay Faust, Frank O'Mahony, Rui Ma 2025-05-06
12288789 Gate-all-around integrated circuit structures having devices with source/drain-to-substrate electrical contact Biswajeet Guha, William Hsu, Chung-Hsun Lin, Kinyip Phoa, Oleg Golonzka +5 more 2025-04-29
11996403 ESD diode solution for nanoribbon architectures Nidhi Nidhi, Rahul Ramaswamy, Walid M. Hafez, Hsu-Yu Chang, Ting Chang +4 more 2024-05-28 $30,739,000
11961836 FinFET varactor quality factor improvement Hyung-Jin Lee, Mark Armstrong, Saurabh Morarka, Carlos Nieva-Lozano 2024-04-16 $37,256,000
11908856 Gate-all-around integrated circuit structures having devices with source/drain-to-substrate electrical contact Biswajeet Guha, William Hsu, Chung-Hsun Lin, Kinyip Phoa, Oleg Golonzka +5 more 2024-02-20 $26,968,000
11869987 Gate-all-around integrated circuit structures including varactors Saurabh Morarka, Carlos Nieva-Lozano, Kalyan C. Kolluru, Biswajeet Guha, Chung-Hsun Lin +2 more 2024-01-09 $30,329,000
11837641 Gate-all-around integrated circuit structures having adjacent deep via substrate contacts for sub-fin electrical contact Biswajeet Guha, William Hsu, Chung-Hsun Lin, Kinyip Phoa, Oleg Golonzka +5 more 2023-12-05 $33,749,000
11824116 Gate-all-around integrated circuit structures having devices with channel-to-substrate electrical contact Biswajeet Guha, William Hsu, Chung-Hsun Lin, Kinyip Phoa, Oleg Golonzka +5 more 2023-11-21 $28,968,000
11791331 Integrated circuit structures including backside vias Nicholas A. Thomson, Kalyan C. Kolluru, Adam Clay Faust, Frank O'Mahony, Rui Ma 2023-10-17 $15,641,000
11652107 Substrate-less FinFET diode architectures with backside metal contact and subfin regions Nicholas A. Thomson, Kalyan C. Kolluru, Nathan Jack, Rui Ma, Mark Bohr +2 more 2023-05-16 $11,130,000
11417781 Gate-all-around integrated circuit structures including varactors Saurabh Morarka, Carlos Nieva-Lozano, Kalyan C. Kolluru, Biswajeet Guha, Chung-Hsun Lin +2 more 2022-08-16 $17,788,000
11393934 FinFET based capacitors and resistors and related apparatuses, systems, and methods Kinyip Phoa, Justin S. Sandford, Junjun Wan, Akm A. Ahsan, Leif Paulson +1 more 2022-07-19 $11,394,000
11145732 Field-effect transistors with dual thickness gate dielectrics Kalyan C. Kolluru, Nicholas A. Thomson, Mark Armstrong, Sameer Jayanta Joglekar, Rui Ma +3 more 2021-10-12 $32,982,000