Assignee
Inventors
- Masahiko Kasashima (8 patents)
- Nobuyuki Nanno (7 patents)
- Kouichirou Takeguchi (1 patents)
- Kazuo Akashi (11 patents)
- Yoshiaki Suzuki (216 patents)
- Makoto Ando (133 patents)
- Yuji Yamanaka (82 patents)
US Patent 5485073 · Granted Jan 16, 1996