Assignee
Inventors
- Yasuaki Sugizaki (8 patents)
- Chunghsien Tsai (1 patents)
- Tsutomu Ikeda (66 patents)
- Yasuyuki Yamada (144 patents)
- Yusuke Tanaka (287 patents)
- Yasunori Wada (26 patents)
- Yasushi Onishi (33 patents)
US Patent 5882778 · Granted Mar 16, 1999