Assignee
Inventors
- Yoshitomo Masuda (30 patents)
- Hiroshi Kaneda (85 patents)
- Tadashi Nakajima (15 patents)
- Taro Miyamoto (11 patents)
- Yuko Maeda (8 patents)
- Yasushi Inoue (70 patents)
- Takahiro Kawagoe (40 patents)
US Patent 5659854 · Granted Aug 19, 1997