Assignee
Inventors
- Junichi Miyagawa (5 patents)
- Akiko Kobayashi (26 patents)
- Tetsuharu Haraguchi (1 patents)
- Yukio Sakaguchi (1 patents)
- Akira Hirashima (2 patents)
- Makoto Shinka (1 patents)
- Yukio Uro (1 patents)
- Yoshinori Hosono (1 patents)
US Patent 5991782 · Granted Nov 23, 1999