Assignee
Inventors
- Yoshinori Tamura (33 patents)
- Yasuhiro Doi (49 patents)
- Keiko Hasebe (20 patents)
- Masafumi Shonaka (5 patents)
- Tadashi Moriyama (9 patents)
- Yuichi Hioki (39 patents)
- Hiroshi Sonohara (3 patents)
US Patent 5858936 · Granted Jan 12, 1999