Assignee
Inventors
- Yoshiaki Tsubata (23 patents)
- Kyoko Yamamoto (26 patents)
- Koichi Fujisawa (74 patents)
- Yukari Fujimoto (11 patents)
- Tsutomu Matsumoto (8 patents)
- Masayoshi Minai (65 patents)
- Chizu Sekine (33 patents)
US Patent 5762825 · Granted Jun 9, 1998