Assignee
Inventors
- Ryo HIRANO (36 patents)
- Kunihiko Kanou (4 patents)
- Tadashi Kobayashi (150 patents)
- Masahiro Nonoyama (17 patents)
- Kazuhiko Nakatsuka (3 patents)
- Shinji Wakamatsu (10 patents)
- Kazuhito Ozawa (18 patents)
US Patent 6213456 · Granted Apr 10, 2001