Assignee
Inventors
- Kiyoshi Ogawa (55 patents)
- Takahiko Yoshida (84 patents)
- Michiaki Inui (1 patents)
- Mikiya Shimizu (4 patents)
- Yasuji Yamamoto (13 patents)
- Yuichi Sugizaki (1 patents)
- Tsuneo Nagata (1 patents)
US Patent 6359273 · Granted Mar 19, 2002