Assignee
Inventors
- Takehiko Kawauchi (4 patents)
- Yoshifumi Imazu (5 patents)
- Katsuhiko Kamiyama (2 patents)
- Mitsuyoshi Takano (10 patents)
- Katsuhisa Iiyoshi (4 patents)
- Takahiro Wada (43 patents)
- Aiichi Katayama (13 patents)
US Patent 5519820 · Granted May 21, 1996