Assignee
Inventors
- Satoshi Kaneko (178 patents)
- Taichi Fugita (2 patents)
- Toshihisa Nozawa (81 patents)
- Yoichi Ueda (26 patents)
- Yukimasa Yoshida (27 patents)
- Isahiro Hasegawa (32 patents)
- Haruo Okano (90 patents)
US Patent 5223113 · Granted Jun 29, 1993