Assignee
Inventors
- Hiroyuki Ikemoto (22 patents)
- Shuuichi Buma (86 patents)
- Toshio Aburaya (23 patents)
- Takashi Yonekawa (21 patents)
- Toshio Onuma (37 patents)
- Tsukasa Watanabe (50 patents)
- Toshiaki Hamada (22 patents)
US Patent 5162995 · Granted Nov 10, 1992