Assignee
Inventors
- Nobuaki Tagaya (12 patents)
- Hideyuki Kuwakara (1 patents)
- Takao Hashimoto (12 patents)
- Noriko Komatsu (6 patents)
- Keiko Fukamachi (5 patents)
- Tsugio Maeshima (8 patents)
- Toshihiro Ishikawa (3 patents)
- Tetsuro Ogawa (38 patents)
US Patent 5217699 · Granted Jun 8, 1993