Assignee
Inventors
- Masashi Tazawa (17 patents)
- Eisaku Maeda (32 patents)
- Kumiko Matsui (11 patents)
- Hidehisa Tsuchihashi (12 patents)
- Seiichi Morimatsu (3 patents)
- Maki Suzuki (18 patents)
- Nobuhiro Fujinawa (66 patents)
US Patent 5754315 · Granted May 19, 1998