Assignee
Inventors
- Katsuyoshi Tsukamoto (1 patents)
- Shigeru Toyoda (19 patents)
- Sofumi Sato (1 patents)
- Masakatsu Hyodo (13 patents)
- Kiyoshi Uegaki (1 patents)
- Masatoshi Ishikawa (88 patents)
- Hitoshi Saito (253 patents)
US Patent 5857494 · Granted Jan 12, 1999