Assignee
Inventors
- Hiroshi Wada (184 patents)
- Mitsuharu Yoshimoto (50 patents)
- Sinji Yamamoto (4 patents)
- Tadahiro Kiyosumi (17 patents)
- Junichi Inada (7 patents)
- Susumu Hanano (25 patents)
- Takeshi Sakaguchi (41 patents)
- Susumu Takehara (7 patents)
US Patent 6027109 · Granted Feb 22, 2000