Assignee
Inventors
- Takeo Tanaka (8 patents)
- Fumito Koizumi (3 patents)
- Tsutomu Agatsuma (10 patents)
- Hidemasa Kondo (7 patents)
- Yutaka Saitoh (15 patents)
- Katsuhiko Ando (33 patents)
- Yuzuru Matsuda (18 patents)
US Patent 5874592 · Granted Feb 23, 1999