Assignee
Inventors
- Yasutaka Tsuru (29 patents)
- Takumi Okamura (14 patents)
- Shoji Kimura (8 patents)
- Yuji Yamamoto (330 patents)
- Toshinori Murata (33 patents)
- Kenji Katsumata (67 patents)
- Moriyoshi Akiyama (2 patents)
- Takanori Eda (18 patents)
US Patent 5703658 · Granted Dec 30, 1997