Toshiyuki Tamura has been granted 227 US patents while listed as an inventor at Nec . The first was granted in 1989 and the most recent in September 2025. Toshiyuki Tamura ranks #2,530 of 4,157,543 US inventors in our database (top 0.06%). Patent records list Toshiyuki Tamura in Tokyo, JP.
Patents per Year Patents granted per year, 1992 to 2025 Bar chart with a peak of 33 patents in 2024. peak 33 1992: 2 patents 1992 1993: 2 patents 1994: 1 patents 1995: 2 patents 1995 1996: 1 patents 1997: 1 patents 1998: 3 patents 1998 2002: 4 patents 2003: 1 patents 2004: 1 patents 2004 2006: 2 patents 2007: 2 patents 2008: 2 patents 2008 2009: 1 patents 2010: 5 patents 2011: 3 patents 2011 2012: 1 patents 2013: 4 patents 2014: 9 patents 2014 2015: 6 patents 2016: 9 patents 2017: 16 patents 2017 2018: 11 patents 2019: 10 patents 2020: 21 patents 2020 2021: 18 patents 2022: 25 patents 2023: 13 patents 2023 2024: 33 patents 2025: 11 patents 2025 Issued Patents All Time
Showing 1–25 of 227 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12414038 AMF apparatus, access network node, and methods therefor Iskren Ianev 2025-09-09
12382283 Core network device, communication terminal, communication system, authentication method, and communication method Naoaki Suzuki , Anand Raghawa Prasad 2025-08-05
12363592 Core node, base station, radio terminal, communication method, radio resource allocation method, base station selection method, and readable medium Mayo OOHIRA , Masaaki Kosugi , Yusuke Takano 2025-07-15
12309678 Mobile communication system, MME, terminals and method for communication — 2025-05-20
12295066 AMF node and method thereof Tsuyoshi Takakura 2025-05-06
12289662 Network slice quota management during roaming Iskren Ianev 2025-04-29
12267455 Charging in device-to-device communications over PC5 for interactive services Linghang Fan , Iskren Ianev 2025-04-01
12251945 Printer device — 2025-03-18
12225415 Access network node, user equipment, network function node and control method Iskren Ianev , Hassan Al-Kanani , Linghang Fan 2025-02-11
12219471 Radio access network node apparatus, AMF apparatus, and methods therefor Hisashi Futaki 2025-02-04
12200819 Gateway device, mobility management device, base station, communication method, control method, paging method, and computer-readable medium preliminary class Kouji Shimizu 2025-01-14
12185108 Methods and devices of detection of misbehaving UEs using data analysis Linghang Fan , Iskren Ianev 2024-12-31
12185269 Method and system of indicating SMS subscription to the UE upon change in the SMS subscription in a network Kundan Tiwari 2024-12-31
12185234 Incompatible network slices support and management Iskren Ianev , Hassan Al-Kanani , Linghang Fan 2024-12-31
12185232 Support for network slice quota event notification Iskren Ianev , Hassan Al-Kanani , Linghang Fan 2024-12-31
12160740 Core network device, access network device, communication terminal, communication system, and communication method Hironori Ito , Anand Raghawa Prasad 2024-12-03
12156113 Gateway device, core network device, communication system, delivery method, and non- transitory computer-readable medium — 2024-11-26
12144039 Communication system and communication method for improving signal processing efficiency Satoshi Kuroda , Kazuo Watanabe 2024-11-12
12133190 Core network node, UE, access network node and controlling method Iskren Ianev 2024-10-29
12127151 Method and system for transmission of SUSI in the NAS procedure Kundan Tiwari , Sheeba Backia Mary Baskaran 2024-10-22
12101714 Procedure to update the parameters related to unified access control Kundan Tiwari 2024-09-24
12096348 Communication method, core network node, and wireless device Tsuyoshi Takakura 2024-09-17
12089150 Communication terminal and method therefor Tsuyoshi Takakura 2024-09-10
12081694 Gateway device, radio communication device, charging control method, data transmission method, and non-transitory computer readable medium — 2024-09-03
12075241 AMF node and method thereof Tsuyoshi Takakura 2024-08-27
