Assignee
Inventors
- Shoju Kameyama (1 patents)
- Kenmi Miyano (7 patents)
- Motonori Hashimoto (10 patents)
- Kazuo Takechi (14 patents)
- Takao Ohmura (24 patents)
- Yutaka Hirao (12 patents)
- Yahiro Uemura (29 patents)
- Kazumasa Yokoyama (77 patents)
US Patent 5151499 · Granted Sep 29, 1992