Assignee
Inventors
- Yasunori Kuratomi (20 patents)
- Akio Takimoto (50 patents)
- Koji Akiyama (86 patents)
- Hiroshi Tsutsui (103 patents)
- Toshikatsu Kawakami (4 patents)
- Yasuaki Muto (4 patents)
- Hiroshi Miyai (55 patents)
US Patent 5990853 · Granted Nov 23, 1999