Assignee
Inventors
- Kozo Sakamoto (19 patents)
- Isao Yoshida (115 patents)
- Shigeo Otaka (2 patents)
- Tetsuo Iijima (16 patents)
- Harutora Shono (1 patents)
- Ken Uchid (1 patents)
- Masayoshi Kobayashi (107 patents)
- Hideki Tsunoda (2 patents)
US Patent 5642252 · Granted Jun 24, 1997