Assignee
Inventors
- Kumiko Matsui (11 patents)
- Hidehisa Tsuchihashi (12 patents)
- Takahiro Ikeda (111 patents)
- Toru Ochiai (21 patents)
- Seiichi Morimatsu (3 patents)
- Masashi Tazawa (17 patents)
- Toshiya Aikawa (17 patents)
- Eisaku Maeda (32 patents)
US Patent 5742326 · Granted Apr 21, 1998