Assignee
Inventors
- Toshikazu Oki (52 patents)
- Kyoichiro Saitoh (12 patents)
- Kozo Tomatsu (3 patents)
- Koji Tomita (43 patents)
- Masataka Konishi (59 patents)
- Takeo Miyaki (34 patents)
- Mitsuaki Tsunakawa (16 patents)
- Maki Nishio (12 patents)
US Patent 5110960 · Granted May 5, 1992