Assignee
Inventors
- Kouki Fukumura (10 patents)
- Takashi Shimaoka (12 patents)
- Hideaki Oikawa (46 patents)
- Hiroshi Sonoda (14 patents)
- Unknown
- Junko Naruse (6 patents)
- Hidetoshi Hayashi (57 patents)
- Tsuyoshi Yasutake (3 patents)
US Patent 6344579 · Granted Feb 5, 2002