Assignee
Inventors
- Yuko Ohashi (5 patents)
- Ichiro Mitsuhara (4 patents)
- Masahiro Ohshima (5 patents)
- Masashi Ugaki (1 patents)
- Hirohiko Hirochika (11 patents)
- Ryoso Honkura (1 patents)
- Takayoshi Iwai (3 patents)
- Shigeo Nakamura (144 patents)
US Patent 6187995 · Granted Feb 13, 2001