Assignee
Inventors
- Shinnosuke Taniishi (30 patents)
- Ryozo Yanagisawa (54 patents)
- Katsuyuki Kobayashi (93 patents)
- Yuichiro Yoshimura (75 patents)
- Kiyoshi Kaneko (54 patents)
- Takeshi Kamono (17 patents)
- Atsushi Tanaka (451 patents)
US Patent 5177472 · Granted Jan 5, 1993