Assignee
Inventors
- Akiko Kobayashi (26 patents)
- Atsushi Sekiguchi (41 patents)
- Tomoaki Koide (5 patents)
- Minjuan Zhang (76 patents)
- Hideki Sunayama (7 patents)
- Shiqin Xiao (3 patents)
- Kaoru Suzuki (96 patents)
US Patent 6562219 · Granted May 13, 2003