Assignee
Inventors
- Hiroyuki Yamamoto (271 patents)
- Hidetoshi Kudo (8 patents)
- Noriyuki Ota (33 patents)
- Masayuki Kuroki (9 patents)
- Akira Kageyama (38 patents)
- Hiroyuki Yamashita (190 patents)
- Takehiko Yasuoka (4 patents)
US Patent 6009849 · Granted Jan 4, 2000