Assignee
Inventors
- Yoshikatsu Mizukami (8 patents)
- Tsutomu Teshima (6 patents)
- Katsumi Agari (2 patents)
- Yutaka Tanaka (169 patents)
- Hiroko Fukumoto (2 patents)
- Miyako Kakegawa (1 patents)
- Hiroko Yoshimura (1 patents)
US Patent 5473023 · Granted Dec 5, 1995