Assignee
Inventors
- Tadao Eto (6 patents)
- Hiroyuki Shibata (134 patents)
- Hiroko Ohishi (1 patents)
- Shinichi Omori (13 patents)
- Keiichi Hiyama (21 patents)
- Tatsuya Shiobara (3 patents)
- Kazunori Matsuura (3 patents)
US Patent 6436032 · Granted Aug 20, 2002