Assignee
Inventors
- Noboru Ashikawa (16 patents)
- Bunsho Yaguchi (1 patents)
- Toyoshi Yasuda (8 patents)
- Masami Takano (14 patents)
- Akihito Ohhashi (5 patents)
- Hiroyuki Shimada (108 patents)
- Masahiro Akioka (1 patents)
US Patent 5181893 · Granted Jan 26, 1993