Assignee
Inventors
- Takafumi Yanagita (27 patents)
- Tsutomu Kempo (3 patents)
- Narito Goto (41 patents)
- Takuo Nishikawa (10 patents)
- Noboru Koyama (43 patents)
- Yasushi Nakano (123 patents)
- Setsuko Kawahara (16 patents)
US Patent 5098785 · Granted Mar 24, 1992