Yuiyo Riku

Powerchip Technology Corp. engages in the manufacture of dynamic random access memory (DRAM) chips. It offers wide range of DRAM product including personal computer-related product manufacturers, and memory module manufacturers and distributors. Its business activities include the provision of foundry services for the manufacture of memory products, including niche DRAM products, flash memory, graphic DRAM and embedded DRAM, and some non-memory products, such as complementary metal oxide silicon image sensors and application specific integrated circuits. It also engages in the manufacture of electronic components; research, development and manufacture of integrated circuit; as well as international trade. The company was founded on December 20, 1994 by Huang Chung Jen and is headquartered in Taipei, Taiwan.

Renesas Stone Semiconductor (Beijing) Co. Ltd. packages and tests semi-conductor chips. The company main products include standard IC, discreet, ASSP, system in package, and secure MCUs. The company was established in 1996 and is headquartered in Beijing, China.