Assignee
Inventors
- Takeshi Iwasaki (130 patents)
- Koh Hasegawa (25 patents)
- Shinya Asano (50 patents)
- Hiroyuki Inoue (235 patents)
- Takashi Nojima (96 patents)
- Akira Kida (68 patents)
- Noriko Kawasaki (14 patents)
US Patent 6471428 · Granted Oct 29, 2002