Assignee
Inventors
- Tokio Shibazaki (12 patents)
- Kenichi Enda (10 patents)
- Yoshikatsu Aizawa (7 patents)
- Saburo Tsurumaki (4 patents)
- Mitsuru Sato (213 patents)
- Shigeru Oofukuji (1 patents)
- Eiji Tobita (4 patents)
- Hirohiko Kusuhata (1 patents)
US Patent 6928787 · Granted Aug 16, 2005