Assignee
Inventors
- Takashi Okazoe (58 patents)
- Kunio Watanabe (110 patents)
- Shin Tatematsu (30 patents)
- Masahiro Ito (290 patents)
- Daisuke Shirakawa (39 patents)
- Masao Iwaya (19 patents)
- Hidekazu Okamoto (81 patents)
US Patent 6956138 · Granted Oct 18, 2005