Assignee
Inventors
- Miho Nagai (3 patents)
- Takashi Yamaguchi (417 patents)
- Yutaka Nio (31 patents)
- Hideto Nakahigashi (8 patents)
- Hideyo Uwabata (15 patents)
- Toshiaki Kitahara (13 patents)
- Chikara Gotanda (5 patents)
- Atsushi Ishizu (13 patents)
US Patent 5982449 · Granted Nov 9, 1999