Uchuu no Kishi Tekkaman Blade
English name: Tekkaman Blade
Genres: Action, Adventure, Drama, Romance, Sci-Fi
Type: TV, Episodes: 49
Aired: Feb 18, 1992 to Feb 2, 1993
Studio: Tatsunoko Production
Source: Original
Rating: R - 17+ (violence & profanity)
Synopsis:
Tekkaman Blade takes place in the year 2300 AD. On a certain moment, the Radam attack earth. A few months after the beginning of the invasion, a tekkaman appears, he calls himself Blade and with the help of the Space Knights, Blade starts to fight the radam. But there are a few things that Blade isn't telling about his past. 

(Source: ANN)