Assignee
Inventors
- Naoto Okubo (39 patents)
- Yoshihiro Uematsu (15 patents)
- Katsuhisa Miyakusu (15 patents)
- Takashi Igawa (11 patents)
- Yukio Oda (26 patents)
- Yukito Nomura (2 patents)
- Koichi Satake (1 patents)
- Juichi Ozawa (1 patents)
US Patent 5458156 · Granted Oct 17, 1995