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
- Intrinsic Fiber Optic Sensors
a) Bragg Grating Sensors
b) Extrinsic Fabry Perot Fiber Sensors
a) Distributed Sensors
b) Interferometric Sensors
c) Intrinsic Fabry Perot Fiber Sensors
d) Microbend SensorsBy Applications
- Chemical/ Bio Detection
- Encoder Plates/ Disks
- Industrial Applications
- Mode Coupling
- Oil and Gas
- Raman Scattering
- Rayleigh Scattering
- Youngs Modulus
b) Induction Heating
c) Plastic Film
i) Suspension Bridges
a) Acoustic Sensors
c) Fire Detection
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.
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.
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 AG11. 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.
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:
No Toc Available
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Patent Analytics Report on Fiber Optic Sensors