Bloomfield Robotics Inc. has raised $1.8 million in its first funding round, with a Japanese manufacturer that's one of the world's largest tractor producers among the investors. Kubota Corp., based in Osaka, Japan, made its first Pittsburgh investment, Mark DeSantis, Bloomfield CEO, said. Other investors include high-net-worth individuals and two accelerators - Pax Momentum of Washington, D.C., and Thrive SBG in Los Angeles. Bloomfield connected with Kubota via Thrive, DeSantis said. Bloomfield...