Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Siuli Sarkar — 30 Patents

ASAlpha Assembly Solutions: 23 patents #2 of 71Top 3%
AMAlpha Metals: 1 patents #15 of 38Top 40%
FMFry'S Metals: 1 patents #27 of 70Top 40%
Waterbury, CT: #8 of 331 inventorsTop 3%
Connecticut: #1,127 of 34,797 inventorsTop 4%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Siuli Sarkar has been granted 30 US patents while listed as an inventor at Alpha Assembly Solutions. The first was granted in 2011 and the most recent in December 2025. Siuli Sarkar ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Siuli Sarkar in Waterbury, CT, US.

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12497532 Graphene enhanced and engineered materials for membrane touch switch and other flexible electronic structures Nirmalya Kumar Chaki, Chetan Pravinchandra Shah, Barun Das, Supriya Devarajan, Rahul Raut +5 more 2025-12-16
12278022 Stretchable interconnects for flexible electronic surfaces Narahari Pujari, Bawa Singh, Ravi Bhatkal, Anubhav Rustogi 2025-04-15
12233483 Low temperature soldering solutions for polymer substrates, printed circuit boards and other joining applications Rahul Raut, Nirmalyakumar Chaki, Bawa Singh, Ranjit Pandher 2025-02-25
12115602 Lead-free solder compositions Ranjit Pandher, Niveditha NAGARAJAN, Anil Kumar, Morgana De Avila Ribas, Gyan Dutt +1 more 2024-10-15
12113039 Low pressure sintering powder Shamik Ghoshal, Nirmalya Kumar Chaki, Poulami Sengupta Roy, Anubhav Rustogi 2024-10-08
12084583 Dielectric ink composition Narahari Pujari, Jayaprakash Sundaramurthy, Ravindra M. Bhatkal 2024-09-10
11929341 Nano copper paste and film for sintered die attach and similar applications Shamik Ghosal, Remya Chandran, Venodh Manoharan, Bawa Singh, Rahul Raut 2024-03-12
11830640 Stretchable interconnects for flexible electronic surfaces Narahari Pujari, Bawa Singh, Ravi Bhatkal, Anubhav Rustogi 2023-11-28
11624000 Graphene enhanced and engineered materials for membrane touch switch and other flexible electronic structures Nirmalya Kumar Chaki, Chetan Pravinchandra Shah, Barun Das, Supriya Devarajan, Rahul Raut +5 more 2023-04-11
11411150 Advanced solder alloys for electronic interconnects Morgana de Avila Ribas, Pritha Choudhury, Ranjit Pandher, Nicholas G. Herrick, Amit J. Patel +2 more 2022-08-09
11389865 Sintering materials and attachment methods using same Shamik Ghoshal, V. Sathish Kumar, Pavan Vishwanath, Ranjit Pandher, Remya Chandran +3 more 2022-07-19
11193031 Dielectric ink composition Narahari Pujari, Jayaprakash Sundaramurthy, Ravindra M. Bhatkal 2021-12-07
11162007 Sintering paste Shamik Ghosal, Ranjit Pandher, Oscar Khaselev, Ravi Bhatkal, Rahul Raut +11 more 2021-11-02
11139089 Stretchable interconnects for flexible electronic surfaces Narahari Pujari, Bawa Singh, Ravi Bhatkal, Anubhav Rustogi 2021-10-05
11090768 Lead-free and antimony-free tin solder reliable at high temperatures Pritha Choudhury, Morgana de Avila Ribas, Sutapa Mukherjee, Anil Kumar, Ranjit Pandher +2 more 2021-08-17
10998284 Low pressure sintering powder Shamik Ghoshal, Nirmalya Kumar Chaki, Poulami Sengupta Roy, Anubhav Rustogi 2021-05-04
10894302 Multilayered metal nano and micron particles Shamik Ghoshal, Remya Chandran, Sutapa Mukherjee, Ranjit Pandher, Bawa Singh 2021-01-19
10821557 High reliability lead-free solder alloy Morgana De Avila Ribas, Suresh Telu, Pritha Choudhury, Anil Kumar 2020-11-03
10682732 Engineered polymer-based electronic materials Ramakrishna Hosur Venkatagiriyappa, Morgana de Avila Ribas, Barun Das, Harish Hanchina Siddappa, Sutapa Mukherjee +3 more 2020-06-16
10672531 Stretchable interconnects for flexible electronic surfaces Narahari Pujari, Bawa Singh, Ravi Bhatkal, Anubhav Rustogi 2020-06-02
10494696 Metal recovery Narahari Pujari, Bawa Singh, Daniel Goswami 2019-12-03
10322471 Low temperature high reliability alloy for solder hierarchy Pritha Choudhury, Morgana de Avila Ribas, Sutapa Mukherjee, Ranjit Pandher, Ravindra M. Bhatkal +1 more 2019-06-18
10259980 Sintering powder Shamik Ghosal, Ranjit Pandher, Oscar Khaselev, Ravi Bhatkal, Rahul Raut +11 more 2019-04-16
10130995 Method for manufacturing metal powder Nirmalya Kumar Chaki, Poulami Sengupta Roy, Sutapa Mukherjee 2018-11-20
9802275 Rosin-free thermosetting flux formulations Morgana De Avila Ribas, Rahul Raut, Traian Cornel Cucu, Shu Tai Yong, Ramakrishna Hosur Katagiriyappa 2017-10-31