Assignee
Inventors
- Masaya Ito (60 patents)
- Osamu Ito (245 patents)
- Kouichi Yamada (79 patents)
- Masayoshi Shimamoto (13 patents)
- Yoshiki Nakajima (10 patents)
- Kouichi Takeuchi (18 patents)
- Kyousuke Yoshimoto (2 patents)
US Patent 5475666 · Granted Dec 12, 1995