Assignee
Inventors
- Yukari Washio (1 patents)
- Nobuhiro Takeishi (4 patents)
- Hideki Shimamoto (28 patents)
- Keiji Mori (61 patents)
- Noriki Ushio (2 patents)
- Katsuji Shiono (8 patents)
- Takaaki Kishi (7 patents)
- Hideo Samura (2 patents)
US Patent 5055974 · Granted Oct 8, 1991