Assignee
Inventors
- Yasushi Fujioka (59 patents)
- Shotaro Okabe (31 patents)
- Masahiro Kanai (191 patents)
- Hideo Tamura (77 patents)
- Atsushi Yasuno (11 patents)
- Akira Sakai (244 patents)
- Tadashi Hori (28 patents)
US Patent 5589007 · Granted Dec 31, 1996