Assignee
Inventors
- Masaki Kubo (14 patents)
- Masaru Kameda (2 patents)
- Shigeyuki Kobayashi (13 patents)
- Junichi Ishiwatari (11 patents)
- Shuniti Nakayama (1 patents)
- Hideo Sunaga (7 patents)
- Nobuyuki Nemoto (16 patents)
US Patent 6252502 · Granted Jun 26, 2001