Assignee
Inventors
- Hiroomi Abe (34 patents)
- Takeshi Fujii (163 patents)
- Kiyoshi Mitsui (14 patents)
- Hideo Shinonaga (26 patents)
- Satoru Sogabe (14 patents)
- Satoru Hosoda (13 patents)
- Keitaro Kojima (2 patents)
US Patent 5451642 · Granted Sep 19, 1995