If you're looking for manga similar to Uchuu Kazoku Mekatoro, you might like these titles.
Signal, a robot companion built for Nobuhiko, is attacked by Pulse, one the its creator's previous prototypes. Reprogrammed by Dr. Otoi's mysterious rival, Pulse is loaded down with weapons and sent on a mission by Otoi: steal the most recent robot technology, and obliterate anything that gets in his way.
It's said that Thomas Edison stuffed all of his knowledge into his final invention, a screw. Presently, said screw is buried inside the head of Matsunaka Spica, a high-school girl!!! When Matsunaka Spica's thoughts rise to a high enough level, she can create amazing inventions that would normally be impossible to construct!
When schoolgirl Rushiha is suddenly attached by a humanoid robot, a guardian robot named Faust appears out of the blue to rescue her! And why does he insist on staying on as her permanent bodyguard? The answers to these questions lead the unlikely pair on a quest to rescue her scientist father from the clutches of his own creations!
For most people, having one’s own mecha sounds like a dream come true. So when Eiji’s father builds him his own girl mecha to help around the house, he thinks life is about to take a turn down easy street. Unfortunately for Eiji, his eccentric father isn’t about to make it that easy, and his new mecha girl seems to have a mind of her own – one that doesn’t necessarily take to doing what she’s told. Will Akira-chan prove to help Eiji’s life, make it more complicated, or a little bit of both?
When a spacetime warp sends the Autobots and Decepticons to the Japan of another dimension, they get involved in Mazinger Z's fight against Dr. Hell and Baron Ashura.
An unusual life of a grade school girl genius named Hatsume and her invention: a box robot called "Hako".
This offbeat Japanese manga tells the action-packed tale of the Cyber 7, a team of biologically enginered robot protectors who attempt to save humanity from a threat beyond imagination.
"Doraemon" is a series about a robotic cat named Doraemon, who travels back in time from the 22nd century to help a schoolboy named Nobita Nobi. Aside from the normal manga books, their great adventures to different places are specially described in Doraemon Long Stories books.
Haruka, the only known survivor of a cataclysmic global war, has taken refuge with a diverse group of sentient robots with distinct personalities. They attempt to survive in the desolate post-war environment; however their supplies are limited and the military robots are still active and hostile. Haruka remains optimistic that other humans may have survived the war, but their persistent search efforts have failed to locate any survivors. Is she destined to live her life without any human contact?