Assignee
Inventors
- Shigeji Koyasu (1 patents)
- Djuniadi A. Sagala (7 patents)
- Shinji Nambu (1 patents)
- Hidenori Miyata (2 patents)
- Seiichiro Hirahara (6 patents)
- Nobuyoshi Fujikawa (14 patents)
- Gentaro Kaji (2 patents)
US Patent 5268341 · Granted Dec 7, 1993