• Introduction

    With the help of Patent iNSIGHT Pro, we will analyze the all the patent data around Fiber Optic Sensors to find answers to the following:

    • What does the IP publication trend for Fiber Optic Sensors look like and how has activity around filings evolved?
    • Who are the top assignees or key players in Fiber Optic Sensors and what are their technology wise trends?
    • How is the Assignee portfolio spread across different sensor types and application areas?

    To get deeper insights the patent set has been classified as follows:

    By Types

    • Extrinsic/Hybrid Fiber Optic Sensors
      • a) Bragg Grating Sensors
        b) Extrinsic Fabry Perot Fiber Sensors
    • Intrinsic Fiber Optic Sensors
      • a) Distributed Sensors
        b) Interferometric Sensors
        c) Intrinsic Fabry Perot Fiber Sensors
        d) Microbend Sensors

    By Applications

    • Chemical/ Bio Detection
    • Defense
    • Encoder Plates/ Disks
    • Industrial Applications
      • a) Humidity
        b) Induction Heating
        c) Plastic Film
    • Mode Coupling
    • Infrastructure
      • a) Bridges

          i) Suspension Bridges
          ii) Truss

        b) Buildings
        c) Tunnels

    • Oil and Gas
    • Pyrometers
    • Raman Scattering
    • Rayleigh Scattering
    • Transportation
      • a) Acoustic Sensors
        b) Automobiles
        c) Fire Detection
    • Youngs Modulus

    The illustration below shows the different categories prepared and the number of records in each. The categorization involved defining a search strategy for each topic and then conducting the search using the Advanced Searching capability in Patent iNSIGHT Pro. Details of search strings used for each category are given in Appendix B.

    Fiber Optic Sensors_Categorization


    Publication Trend

    What has been the IP publication trend for Fiber Optic Sensors?

    The patent publication trend in the form of a bar graph shows activity from as early as the 1960’s and 1970’s, although the number of filings remained relatively low all the way up till the year 2000. From 2001, which saw a jump to 300 patents published, there was increase in number of
    publications from 2007 which saw more than 450 patents. It’s clear the current activity around these technologies is likely to continue seeing more
    innovation in the near future.

    IP Trend_Fibre_Optics


    Top Assignees

    Who have been the top assignees or the key players within this industry?

    The top assignees are:

    1. HITACHI LTD.
    2. FUJIKURA LTD.
    3. MITSUBISHI GROUP
    4. NORTHROP GRUMMAN CORP
    5. SUMIOTMO ELECTRIC INDUSTRY
    6. US NAVY
    7. HONEYWELL INC.
    8. BAKER HUGHES INC.
    9. OKI ELECTRIC INDUSTRY
    10. SIEMENS AG

    11. WEATHERFORD INC.
    12. SCHLUMBERGER HOLDINGS
    13. TOSHIBA CORP
    14. ABB GROUP
    15. THE BOEING COMPANY
    16. PANASONIC CORP
    17. FURUKAWA ELECTRIC CO LTD
    18. GENERAL ELECTRIC COMPANY
    19. NTT CORP
    20. ASAHI CO LTD.


    key assignees_Fibre_Optics

    Top Countries

    How is research in Fiber Optic Sensors spread across different countries?

    In terms of regional pockets where patent protection is being sought most frequently for these technologies, the US is in the lead, followed by JP and AU. The map below breaks down fiber optic sensor patenting activity priority country wise from 1960. The table below ranks top priority countries and helps provide an indication of where innovation in this area taking place:

    Top_Country_Fibre_optics


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Patent Analytics Report on Fiber Optic Sensors