Yoshinori Sayama is one of the mecha designers from Rahxephon.
Staff in:
- Aquarion (TV) : Monitor Graphic Design
- Arjuna (TV) : Design Support
- Armored Trooper Votoms: The Heretic Saint (OAV) : Mechanical design (sub)
- Birdy the Mighty Decode (TV) : Mechanical design
- Birdy the Mighty Decode:02 (TV) : Mechanical design
- Cowboy Bebop (TV) : Monitor CG
- Cowboy Bebop: The Movie : Display Design
- Dead Heat (OAV) : Mechanical design
- Detective Story (OAV) : Mechanical design, Monitor Graphic Design
- Ergo Proxy (TV) : Design Work
- Iriya no Sora, UFO no Natsu (OAV) : Mechanical design (Black Manta)
- Knights of Ramune (OAV) : Mechanical design (main)
- Macross Plus (OAV) : Digital Graphic Design, Setting
- Macross Plus Movie Edition : Digital Graphic Design, Setting
- Mars Daybreak (TV) : RB Design
- Mobile Suit Gundam Unicorn (OAV) : Display Design
- Mobile Suit Gundam: Char's Counterattack (movie) : Mecha design
- Patlabor 2: The Movie : Mechanical design (Simulator Design)
- Patlabor The Mobile Police (TV) : Mechanical design
- Patlabor WXIII (movie 3) : Display Design
- Patlabor: The Movie : Mechanical Design Cooperation
- RahXephon (TV) : Mechanical design
- Rahxephon BIBLE 【Analysis Phase】 (Resource Book manga) : Mechanical design
- RahXephon OVA : Mechanical design
- RahXephon: Pluralitas Concentio (movie) : Mechanical design
- (The) Skull Man (TV) : Mechanical design
- Tekkaman Blade (TV) : Mechanical design
- Witch Hunter Robin (TV) : Conceptual Design