Assignee
Inventors
- Katsumasa Harada (40 patents)
- Shigeyoshi Nishino (29 patents)
- Kenji Hirotsu (24 patents)
- Hidetaka Shima (23 patents)
- Naoko Okada (2 patents)
- Takashi Harada (292 patents)
- Akira Nakamura (11 patents)
- Hiroyuki Oda (118 patents)
US Patent 6841681 · Granted Jan 11, 2005