Assignee
Inventors
- Frank Xinhe Wu (15 patents)
- Akinori Kariya (8 patents)
- Noriyoshi Katsuyama (2 patents)
- Atsushi Tsuji (1 patents)
- Kiyoshi Takasuka (4 patents)
- Shigenori Segami (3 patents)
- Katsumi Nanjo (6 patents)
- Junko Sato (1 patents)
US Patent 6187773 · Granted Feb 13, 2001