Assignee
Inventors
- Mitsura Tanemura (1 patents)
- Tamotsu Yamazaki (9 patents)
- Koji Mizuno (5 patents)
- Shin-ichi Kaiho (3 patents)
- Morio Kakimoto (1 patents)
- Eiichi Hoshino (6 patents)
- Isao Matsunaga (19 patents)
- Shun-ichi Hata (12 patents)
US Patent 4447453 · Granted May 8, 1984