Sanyo Denki America is a group company of:

Sanyo Denki's Homepage lists all products sold worldwide, and lists websites and phone numbers for many other Sanyo Denki locations around the globe.
Established in 1927: Sanyo Denki is a leading manufacturer of motion control, servo, stepper, cooling fan, and power supply products. Sanyo Denki has multiple production facilities and a technical center located northwest of Tokyo, Japan. Sanyo Denki annual sales are in excess of $600M.
Rugged and Reliable Products: Sanyo Denki has ISO-9001 registered facilities and a reputation for robust products. With customers such as Kawasaki, Toyota, Intel, Applied Materials, IBM, and many other market leaders, Sanyo Denki is accustomed to meeting stringent market requirements.
Experience and Strong Reputation: Sanyo Denki has shipped more than 1,000,000 servo motor and drive products.

Sanyo Denki Technology Center (R&D Facility in Ueda, Japan)
Sanyo Denki Fujiyama Factory
Sanyo Denki Shioda Factory
Sanyo Denki Midorigaoka Factory
Sanyo Denki Aoki Factory