Assignee
Inventors
- Akiko Sugioka (5 patents)
- Noriyuki Takahashi (109 patents)
- Isamu Yashima (13 patents)
- Makoto Higuchi (16 patents)
- Akiyoshi Mikami (24 patents)
- Kousuke Terada (15 patents)
- Katsuhiro Okada (22 patents)
US Patent 6074575 · Granted Jun 13, 2000