Assignee
Inventors
- Ichiji Yamada (4 patents)
- Yutake Inuzuka (1 patents)
- Isao Ichihara (2 patents)
- Michiyuki Murakami (6 patents)
- George Suzuki (7 patents)
- Ryou Yanahashi (1 patents)
- Takeshi Kondo (125 patents)
US Patent 4873884 · Granted Oct 17, 1989