Assignee
Inventors
- Tsutomu Takeuchi (6 patents)
- Hiroaki Takayanagi (1 patents)
- Seiki Kobayashi (2 patents)
- Yumiko Osa (1 patents)
- Yumiko Suzuki (2 patents)
- Yoko Sato (2 patents)
- Masakazu Sakaguchi (27 patents)
- Yoshiyuki Miyata (8 patents)
US Patent 6881841 · Granted Apr 19, 2005