Assignee
Inventors
- Yasufumi Yamada (29 patents)
- Masahiro Yanagisawa (76 patents)
- Hiroaki Okano (14 patents)
- Keiichi Higuchi (9 patents)
- Hisato Uetsuka (29 patents)
- Tatsuo Teraoka (10 patents)
- Satoshi Aoki (83 patents)
- Yasunori Iwafuji (5 patents)
US Patent 5903697 · Granted May 11, 1999