Assignee
Inventors
- Yuji Shibano (13 patents)
- Hideko Yomo (4 patents)
- Takehiro Matsumoto (7 patents)
- Hirofumi Koda (2 patents)
- Yoshihide Suwa (7 patents)
- Teruo Amachi (13 patents)
- Haruyo Hatanaka (8 patents)
- Sakayu Shimizu (73 patents)
US Patent 6013288 · Granted Jan 11, 2000