Assignee
Inventors
- Hiroshi Yamamoto (819 patents)
- Yoshiyuki Kato (92 patents)
- Naoto Fukushima (64 patents)
- Nobutoshi Migishima (3 patents)
- Takashi Uzawa (2 patents)
- Hajime Erikawa (14 patents)
- Yasuhiko Miyata (3 patents)
US Patent 5261467 · Granted Nov 16, 1993