Assignee
Inventors
- Isao Ueoka (12 patents)
- Jun Sugawara (34 patents)
- Akira Mizoguchi (27 patents)
- Hideo Oshita (1 patents)
- Masaaki Yamanaka (41 patents)
- Hideki Ogawa (111 patents)
- Nobuo Urakawa (9 patents)
- Hirotoshi Yoshinaga (1 patents)
US Patent 6070570 · Granted Jun 6, 2000