Assignee
Inventors
- Yoshishige Endo (43 patents)
- Masahiko Ono (37 patents)
- Toshihiro Yamada (62 patents)
- Takao Kawamura (54 patents)
- Hiromitsu Kawamura (27 patents)
- Katsumi Kobara (13 patents)
- Takeshi Araya (29 patents)
US Patent 5880557 · Granted Mar 9, 1999