Assignee
Inventors
- Hirotaka Ishikawa (50 patents)
- Akinori Tamura (12 patents)
- Yasumi Takase (9 patents)
- Takashi Nishibori (5 patents)
- Kei Nagaoka (7 patents)
- Yoshiko Wada (8 patents)
- Yumi Yoshida (13 patents)
- Kazuya Takahashi (135 patents)
US Patent 6320110 · Granted Nov 20, 2001