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Archive for July, 2009

If the 19th century was the age of coal and the 20th of oil, the 21st will be the age of the sun!

Sun is a bundle of free safe and green energy source available till the day elephant fly and so the solar radiation for generating electricity. The technology barriers have not yet allowed to make breakthrough invention. Sun light is free; can scientist community make electricity from sun for free, if not at cheaper price?

Research are working on dye-sensitized solar cells, which are expected to power Air Force unmanned aircraft in the future because they are an optimum energy harvesting source that may lead to longer flight times without refueling.

Technology:

Using a flexible film and a thin glass coating with transparent conductive electrodes.
Dye-sensitized solar cells made from organic materials, which use (dyes) and moth-eye film, are able to catch photons and convert them into synthesized electrons that can harvest high photon energy.

Advantages:

These kinds of solar cells have more specific power convergence efficiency, very clean energy and easy scalability to a larger skin area of the craft, as well as, low-temperature processing, which leads to lower costs overall.

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Patents increasing by the day: A quick stat

A very large percentage of technical information that is generated across the globe reside in the patent databases.

Below chart depicts breakup according to country and application type for major filing countries. Data Source – patentanalysis.com

Patent Count

Data collected through a survey say that there are:

  • 72 million patent documents worldwide
  • appx. 15 million inventions
  • 1,000,000 patent in last 10 years
  • Weekly – More than 10,000 new patents
  • Every 30 seconds a new patent document is added to the vast technical library of patent documents

The statistics clearly indicates:

  • Increase in R & D efforts
  • Increase in patent filing efforts
  • Increase in market coverage through family patent filing

Potential Risks

  • Patent grant rate is bound to go down. According to a study, already the Belgium PTO has a 30% grant rate
  • Risk of reinventing the wheel, if patentability / prior art search not performed thoroughly
  • Large number of patents may get invalidated by other relevant patents thus causing many infringement law suits to become void
  • Need of clearance would increase

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