Assignee
Inventors
- Yoshinori Urata (9 patents)
- Takao Yoneda (39 patents)
- Yoshiaki Akazawa (32 patents)
- Yasuharu Morinishi (12 patents)
- Nobuhiko Nakano (18 patents)
- Tadashi Nakamura (275 patents)
- Takeaki Ouchi (2 patents)
- Satoshi Ogawa (131 patents)
US Patent 5799881 · Granted Sep 1, 1998