Assignee
Inventors
- Kouichirou Murashima (3 patents)
- Tatsuki Moriya (6 patents)
- Toru Hamaya (6 patents)
- Jinichiro Koga (11 patents)
- Naomi Sumida (21 patents)
- Kaoru Aoyagi (24 patents)
- Takeshi Murakami (28 patents)
- Toshiaki Kono (15 patents)
US Patent 6159720 · Granted Dec 12, 2000