Assignee
Inventors
- Akira Nishioka (52 patents)
- Tomihisa Ohuchi (19 patents)
- Tatsuo Fujii (53 patents)
- Satoshi Miyake (12 patents)
- Atsushi Shitara (3 patents)
- Toshikuni Ohashi (1 patents)
- Mitsuharu Matsubara (1 patents)
US Patent 6336343 · Granted Jan 8, 2002