The latest patents from Ricoh, Canon and Sony

By PR admin | Published: February 5, 2014

Ricoh removable Wi-Fi flash patent Ricoh removable Wi-Fi flash patent 2
Ricoh filed a patent for a removable wireless flash.

Canon ring strobe patent
Canon filed a patent in Japan for a ring strobe with a prism design.

Canon 70-400mm f:4.5-5.6 IS lens patent
New Canon 70-400mm f/4.5-5.6 IS lens patent.

Canon EF-S 18-55mm f:3.5-5.6 STM lens patent

Another recent Canon patent is for EF-S 18-55mm f/3.5-5.6 STM and EF-S 17-55mm f/3.5-5.6 STM lenses.

Sony nano-carbon image sensor patent
Sony filed a patent for an image sensor with a nano-carbon layer which can be used as a shutter that can be controlled with electric signals.

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