Assignee
Inventors
- Hiroshi Ootsuka (152 patents)
- Tatsuji Nozawa (8 patents)
- Yoshiharu Kurozasa (11 patents)
- Akinori Yoshida (16 patents)
- Kenichi Morita (44 patents)
- Haisheng Liang (6 patents)
- Jiro Goto (24 patents)
US Patent 5933686 · Granted Aug 3, 1999