Assignee
Inventors
- Masato Yoshikawa (110 patents)
- Yukihiro Kusano (24 patents)
- Hideyuki Niwa (8 patents)
- Yukio Fukuura (22 patents)
- Kazuo Naito (37 patents)
- Satiko Okazaki (16 patents)
- Masuhiro Kogoma (20 patents)
US Patent 5529631 · Granted Jun 25, 1996