Assignee
Inventors
- Takehiko Shimizu (5 patents)
- Satoshi Hada (111 patents)
- Kouichi Akagi (14 patents)
- Katsunori Tanaka (137 patents)
- Ryotaro Magoshi (21 patents)
- Mitsuo Hasegawa (7 patents)
- Shigemi Mandai (45 patents)
- Mitsuru Kondo (66 patents)
US Patent 6553766 · Granted Apr 29, 2003