Assignee
Inventors
- Shuuichi Buma (86 patents)
- Hiroyuki Ikemoto (22 patents)
- Toshio Aburaya (23 patents)
- Takashi Yonekawa (21 patents)
- Kunihito Sato (34 patents)
- Toshio Onuma (37 patents)
- Kaoru Ohashi (38 patents)
US Patent 5119297 · Granted Jun 2, 1992