Assignee
Inventors
- Hiroshi Nou (15 patents)
- Masahiro Wanou (12 patents)
- Masashi Ogasawara (54 patents)
- Masae Ikeda (8 patents)
- Nobuo Suematsu (5 patents)
- Shino Sakai (5 patents)
- Akihiko Ishii (6 patents)
- Hideki Kamaji (17 patents)
US Patent 5331383 · Granted Jul 19, 1994