Assignee
Inventors
- Hirokazu Yamada (100 patents)
- Takashi Kojima (177 patents)
- Toshimi Miyamoto (5 patents)
- Koji Shiozawa (3 patents)
- Makoto Hori (23 patents)
- Masahiro Hamaya (13 patents)
- Minoru Ohta (62 patents)
US Patent 5762771 · Granted Jun 9, 1998