Assignee
Inventors
- Hajime Yamada (78 patents)
- Toshihiko Suda (5 patents)
- Tetsuya Nakayasu (11 patents)
- Noriyoshi Tsutsui (12 patents)
- Shigeru Kodaira (20 patents)
- Kenjiro Saito (8 patents)
- Mitsuo Kusa (7 patents)
US Patent 6378471 · Granted Apr 30, 2002