Assignee
Inventors
- Rintaro Nakane (28 patents)
- Jiro Egawa (26 patents)
- Naruhito Yoshida (16 patents)
- Toshihiro Kasai (68 patents)
- Kunihiko Miura (34 patents)
- Shinya Tomura (9 patents)
- Mitsuaki Kohyama (44 patents)
US Patent 5148218 · Granted Sep 15, 1992