Assignee
Inventors
- Masayoshi Ichiki (12 patents)
- Teruo Iwamoto (2 patents)
- Takanobu Watanabe (52 patents)
- Hidetsugu Kobayashi (3 patents)
- Seietsu Kikuchi (1 patents)
- Kaizo Agari (1 patents)
- Atsushi Fukuju (7 patents)
- Akihiro Usutani (1 patents)
US Patent 5635142 · Granted Jun 3, 1997