Assignee
Inventors
- Mitsuru Seto (13 patents)
- Unknown
- Yasuo Hirano (43 patents)
- Jun Aoto (27 patents)
- Masahide Yamashita (70 patents)
- Takashi Bisaiji (33 patents)
- Makoto Ohsaki (6 patents)
- Takeshi Shintani (82 patents)
US Patent 5761594 · Granted Jun 2, 1998