Assignee
Inventors
- Yoshimitsu Kanno (8 patents)
- Toshiharu Kurosawa (25 patents)
- Hidehiko Kawakami (26 patents)
- Hiroaki Kotera (16 patents)
- Hiroyoshi Tsuchiya (21 patents)
- Hideaki Ohira (3 patents)
- Mutuo Hashizume (1 patents)
US Patent 5229868 · Granted Jul 20, 1993