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LITTELFUSE INC

Overview
  • Total Patents
    1,198
  • GoodIP Patent Rank
    2,719
  • Filing trend
    ⇩ 3.0%
About

LITTELFUSE INC has a total of 1,198 patent applications. It decreased the IP activity by 3.0%. Its first patent ever was published in 1943. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets electrical machinery and energy, semiconductors and machines are G CARTIER TECH, LUCERNE PRODUCTS INC and XIAMEN HONGFA ELECTROACOUSTIC.

Patent filings per year

Chart showing LITTELFUSE INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Jianhua 80
#2 Oh Seibang 71
#3 Whitney Stephen J 59
#4 Urrea Julio 43
#5 Beckert James J 35
#6 Tsang Chun-Kwan 34
#7 Neuhalfen Andrew J 31
#8 Enriquez Albert 30
#9 Golubovic Boris 28
#10 Johnson Brian 27

Latest patents

Publication Filing date Title
US2021090839A1 High breaking capacity chip fuse
US2021043408A1 Vertical surface mount device pass-through fuse
US10980115B1 Flexible harness assembly for surface mounted devices
US2020357594A1 Active/passive automotive fuse module
US2020217724A1 Temperature sensing tape, assembly, and method of temperature control
US2020300775A1 Automobile rain and temperature sensor module
US2020298802A1 Optical rain sensor
US10903792B1 Self-oscillating spread spectrum frequency control loop
US2020234906A1 Fuses and methods of forming fuses
US2020203110A1 Sealed battery fuse module with energy dissipating cap
US2020172049A1 Radar-based occupancy detector for automobiles
US2021123788A1 Omnipolar magnetic switch with axially magnetized magnet assembly for improved precision
US2020103251A1 Linear positioning sensor
US2021090972A1 Semiconductor chip contact structure, device assembly, and method of fabrication
US2021005362A1 Pptc device having resistive component
EP3811058A1 Optical rain sensor with dynamic optical configuration control
US2019304857A1 Power Semiconductor Device Module Having Mechanical Corner Press-Fit Anchors
WO2019236835A1 Low profile integrated fuse module
WO2019217737A1 Circuit protection devices formed by additive manufacturing
US2020355736A1 Circuit protection device with PTC element and secondary fuse