Assignee
Inventors
- Yoshiaki Miyata (6 patents)
- Akio Seta (4 patents)
- Nobuhiko Tsui (1 patents)
- Hiroshi Kujirai (18 patents)
- Youji Satoh (2 patents)
- Hitonobu Shotani (1 patents)
- Kazuya Sahara (1 patents)
- Yoshimichi Ikeda (9 patents)
US Patent 5173155 · Granted Dec 22, 1992