Assignee
Inventors
- Osamu Haruda (2 patents)
- Unknown
- Suguru Hanzawa (3 patents)
- Nobuo Amada (2 patents)
- Kazuo Kunii (6 patents)
- Hidetaka Kobayashi (2 patents)
- Shinichi Yano (14 patents)
- Muneo Nishiyama (2 patents)
US Patent 5343610 · Granted Sep 6, 1994