Each model has a different idea of how leaning three-wheelers with two front wheels should lean and steer.
The Kawasaki design looks quite complex with horizontal links instead of conventional vertical forks and a mono shock like a BMW telelever arrangement.
Here is how they explain it in the patent filing abstract:
A saddle type vehicles includes two front wheels, a left front wheel supporting member and a right front wheel supporting member which are turned around a left front wheel turning axis and a right front wheel turning axis respectively, an upper lean arm and a lower lean arm which are rotated around an axis perpendicular to a vehicle width direction, and a steering rod. The upper arm is connected to the left and right members via first and second connecting parts which are provided on the left front wheel turning axis. The lower arm is connected to the left and right members via third and fourth connecting parts which are provided on the right front wheel turning axis. The steering rod is arranged forward of the steering spindle. In a front view of the vehicle body, the steering rod is arranged between the upper and lower arms.
It may look complex and heavy, but they claim it makes it lighter.