Assignee
Inventors
- Mitsuo Asai (34 patents)
- Yoshihiro Takiyasu (24 patents)
- Koichi Shibata (68 patents)
- Mikiko Sato (2 patents)
- Atsushi Saito (249 patents)
- Takehisa Hayashi (49 patents)
- Masaru Igawa (6 patents)
US Patent 6005599 · Granted Dec 21, 1999