Assignee
Inventors
- Shoichi Kume (12 patents)
- Haruo Yoshida (64 patents)
- Yukiyoshi Yamada (12 patents)
- Tadashi Fuyuki (7 patents)
- Satoshi Akiyama (43 patents)
- Yoshiaki Hamada (19 patents)
- Eisuke Kuroda (7 patents)
US Patent 6024915 · Granted Feb 15, 2000