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

Irfan Ali — 49 Patents

Cisco: 17 patents #742 of 13,007Top 6%
NDNtt Docomo: 12 patents #243 of 1,706Top 15%
GE: 6 patents #5,843 of 36,430Top 20%
Motorola: 6 patents #2,301 of 14,142Top 20%
Google: 4 patents #6,467 of 22,993Top 30%
Motorola Mobility: 1 patents #1,475 of 2,103Top 75%
Palo Alto, CA: #384 of 9,675 inventorsTop 4%
California: #8,285 of 386,348 inventorsTop 3%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Irfan Ali has been granted 49 US patents while listed as an inventor at Cisco. The first was granted in 1996 and the most recent in November 2025. Irfan Ali ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Irfan Ali in Palo Alto, CA, US.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 7 patents in 2022.peak 71996: 1 patents19961997: 1 patents1998: 2 patents19981999: 1 patents2000: 1 patents20002001: 1 patents2002: 1 patents20022004: 1 patents2005: 3 patents20052006: 2 patents2012: 1 patents20122016: 1 patents2017: 3 patents20172019: 1 patents2020: 4 patents20202021: 4 patents2022: 7 patents20222023: 6 patents2024: 5 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12477444 Service-based network function selection for roaming scenarios involving multiple home core networks Raj Shekhar, Vimal Srivastava, Ravi Kiran Guntupalli 2025-11-18
12341819 Method and apparatus for policy attributes exchange between security policy management platforms and 5G as a service platforms Timothy Peter Stammers, Bhavik Yogeshkumar Adhvaryu 2025-06-24
12256274 Evolved packet core to 5G core roaming using N9 interface Ravi Shankar Mantha, Ravi Kiran Guntupalli, Jis Abraham 2025-03-18
12114376 Radio communication system and communication method Daisuke Fujishima, Ashiq Khan, Srisakul Thakolsri, Malla Reddy Sama 2024-10-08
12041440 Direct SMF control plane with gNB 2024-07-16 $52,090,000
11968752 Interworking function to connect a device within a 2G or 3G network to a 5G network Ian McDowell Campbell, Ravi Shankar Mantha 2024-04-23 $45,821,000
11950128 Edge offloading in a mobile network having a converged core architecture Ravi Kiran Guntupalli 2024-04-02 $74,581,000
11895576 Communication control method and communication system Takuya Shimojou, Atsushi Minokuchi, Ashiq Khan, Srisakul Thakolsri, Malla Reddy Sama +1 more 2024-02-06
11743230 Network address translation (NAT) traversal and proxy between user plane function (UPF) and session management function (SMF) Aeneas Sean Dodd-Noble, Ravi Kiran Guntupalli, Ravi Shekhar 2023-08-29 $56,667,000
11723117 Mobility level control device and mobility level control method Takashi Koshimizu, Syed Mohammad Amir Husain 2023-08-08
11706614 Direct SMF control plane with gNB 2023-07-18 $35,626,000
11653395 Method for establishing a connection of a mobile terminal to a mobile radio communication network and radio access network component Srisakul Thakolsri, Malla Reddy Sama, Atsushi Minokuchi, Takuya Shimojo, Alf Zugenmaier 2023-05-16
11627641 Interworking function to connect a device within a 2G or 3G network to a 5G network Ian McDowell Campbell, Ravi Shankar Mantha 2023-04-11 $52,123,000
11576232 Method for establishing a connection of a mobile terminal to a mobile radio communication network and communication network device Srisakul Thakolsri, Malla Reddy Sama, Atsushi Minokuchi, Takuya Shimojo, Alf Zugenmaier 2023-02-07
11445420 User device, radio communication system, and radio communication method Takashi Koshimizu, Riccardo Guerzoni, Jari Mutikainen 2022-09-13
11374900 Network address translation (NAT) traversal and proxy between user plane function (UPF) and session management function (SMF) Aeneas Sean Dodd-Noble, Ravi Kiran Guntupalli, Ravi Shekhar 2022-06-28 $62,593,000
11323550 Techniques to send load-share notifications to multiple receivers Subrata Mukherjee 2022-05-03 $53,479,000
11323976 Network device and radio communication method Takashi Koshimizu, Riccardo Guerzoni, Jari Mutikainen 2022-05-03
11304112 Anchor point control device and anchor point control method Takashi Koshimizu, Syed Mohammad Amir Husain 2022-04-12
11252627 Maintaining local offloading of traffic in a handover from a fifth generation system (5GS) to an evolved packet system (EPS) Subrata Mukherjee 2022-02-15 $37,512,000
11246088 Failover and management of multi-vendor network slices Vimal Srivastava, Sri Gundavelli, Aeneas Sean Dodd-Noble, Ravi Kiran Guntupalli, Ian McDowell Campbell 2022-02-08 $38,813,000
11102827 Information notification method and mobile communication system Takuya Shimojou, Shigeru Iwashina, Ashiq Khan, Masayoshi Shimizu, Atsushi Minokuchi +2 more 2021-08-24
11071036 Managing voice calls in heterogenous network environments Subrata Mukherjee 2021-07-20 $38,094,000
10924518 UPF programming over enhanced N9 interface Aeneas Sean Dodd-Noble, Pablo Camarillo Garvia, Om Prakash Suthar, Ravi Kiran Guntupalli, Arun C. Alex 2021-02-16 $79,563,000
10912141 Method for establishing a communication and communication device Riccardo Guerzoni, Jari Mutikainen, Takashi Koshimizu 2021-02-02