Canon Curved Sensor Japan patent application

Canon continues to work away on curved sensors.

This patent deals with improving the quality of signal from the curved part of the senor to the flat part of the sensor which would contain the logic. 

Japan Patent application: 2017-084874

Generating of a gap of the focal position by a curvature of field, etc. are prevented, and the present invention inhibits the voltage change of the imaging signal which occurs because the impedance of each bump differs, and an object of the present invention is to provide a reliable solid state imaging device which can prevent degradation of image quality, and a manufacturing method for the same. 

How to view Japan Patent applications.

Unfortunately, there's no direct way of linking to the patent application (sad!) however, this is the easiest process to view a japan patent or application.

1. Go to the Japan Patent Office search page.
2. If it's a patent application (they are usually in the format of YEAR+Number ie: 2017-011300) then type the patent application number into the second field down from the top where it says publication of patent application. 
3. Click on search.
4. Then click on the patent application number link, and there's the patent application!