Assignee
Inventors
- Yukiko Fujita (4 patents)
- Shinya UENO (3 patents)
- Yoko Kawasaki (1 patents)
- Kumiko Fukakusa (1 patents)
- Hidefumi Matsuya (2 patents)
- Tomomasa Mitani (4 patents)
- Akira Komori (3 patents)
- Mika Matsumura (1 patents)
US Patent 5747597 · Granted May 5, 1998