Assignee
Inventors
- Katsuyuki Kobayashi (93 patents)
- Shinnosuke Taniishi (30 patents)
- Atsushi Tanaka (451 patents)
- Yuichiroh Yoshimura (3 patents)
- Kiyoshi Kaneko (54 patents)
- Ryohzo Yanagisawa (1 patents)
- Takeshi Kamono (17 patents)
US Patent 5239138 · Granted Aug 24, 1993