Assignee
Inventors
- Hiroshi Uchida (260 patents)
- Takumi Yamamoto (24 patents)
- Hiroki Takashima (12 patents)
- Hirao Otoshima (2 patents)
- Tetsuya Yamamoto (490 patents)
- Shigeru Nishiyama (41 patents)
- Masahiro Shinya (4 patents)
US Patent 6003563 · Granted Dec 21, 1999