Assignee
Inventors
- Kazutoshi Higashiyama (22 patents)
- Toshiya Doi (11 patents)
- Takesi Ozawa (3 patents)
- Seizi Takeuchi (15 patents)
- Tomoichi Kamo (44 patents)
- Shinpei Matsuda (68 patents)
- Yutaka Yoshida (186 patents)
US Patent 5545610 · Granted Aug 13, 1996