Assignee
Inventors
- Masatsune Kobayashi (32 patents)
- Shohji Koike (1 patents)
- Shinichi Tochihara (42 patents)
- Kyoko Fukushima (13 patents)
- Akira Nagashima (173 patents)
- Koromo Shirota (74 patents)
- Kumiko Mafune (32 patents)
US Patent 5258066 · Granted Nov 2, 1993