Taiyo Yuden Co., Ltd. (太陽誘電株式会社, Taiyō Yūden Kabushiki-gaisha^?, translated as Sun Dielectric) TYO: 6976 is a Japanese materials and electronics company, situated in Ueno, Taito, Tokyo, that helped pioneer recordable CD technology (CD-R) along with Sony and Philips in 1988. Founded 60 years ago, Taiyo Yuden currently operates factories in Japan, Singapore, Korea, China, the Philippines, Taiwan, Malaysia, and Thailand. The company employs over ten thousand people worldwide and reports annual sales of more than $1 billion.

The current president of Taiyo Yuden is Yoshiro Kanzaki, who replaced Tomiji Kobayashi. Mitsugu Kawada is Honorary Chairman.

Taiyo Yuden was established by Hikohachi Sato on March 23, 1950, in Suginami, Tokyo.

That's branded Audio tape, known as Triad in North America, was introduced to the market in 1982.

Since 1985, Taiyo Yuden has annually published Needs & Seeds (Taiyo Yuden Technical Report, ISSN 0911-5439).

In October 1988, the world's first CD-R was made by Taiyo Yuden and presented to the public under the brand name That's CD-R, however development had already begun as early as in summer 1985.