Assignee
Inventors
- Masahiro Kanai (191 patents)
- Jinsho Matsuyama (36 patents)
- Katsumi Nakagawa (152 patents)
- Toshimitsu Kariya (37 patents)
- Yasushi Fujioka (59 patents)
- Tetsuya Takei (45 patents)
- Hiroshi Echizen (28 patents)
US Patent 5130170 · Granted Jul 14, 1992