Assignee
Inventors
- Takeshi Okutani (8 patents)
- Hideki Minagawa (3 patents)
- Yoshinori Nakata (41 patents)
- Hideaki Nagai (23 patents)
- Masaaki Suzuki (173 patents)
- Takashi Tsurue (3 patents)
- Yoshiho Ito (1 patents)
US Patent 6497762 · Granted Dec 24, 2002