Assignee
Inventors
- Katsumasa Matsuoka (9 patents)
- Yoshiaki Amano (43 patents)
- Tatsuo Murai (6 patents)
- Taisuke Kashima (24 patents)
- Hisayuki Ishii (2 patents)
- Tatsumi Mori (9 patents)
- Naohiro Takasugi (1 patents)
US Patent 6104451 · Granted Aug 15, 2000