Assignee
Inventors
- Yoshiyuki Takahara (28 patents)
- Haruya Sato (2 patents)
- Eiko Hayashi (2 patents)
- Masanobu Yatagai (13 patents)
- Manabu Suzuki (19 patents)
- Tomoyuki Tabata (1 patents)
- Chieko Ejima (4 patents)
US Patent 6620916 · Granted Sep 16, 2003