Assignee
Inventors
- Toshiya Matsubara (26 patents)
- Masaharu Tanaka (55 patents)
- Shin Tatematsu (30 patents)
- Kazuhiko Yamada (47 patents)
- Kenji Yamada (406 patents)
- Kenichi Ebata (10 patents)
- Hajime Katayama (25 patents)
- Kentarou Tsunozaki (2 patents)
US Patent 7022300 · Granted Apr 4, 2006