Assignee
Inventors
- Yukitaka Goto (5 patents)
- Nobuaki Sakurai (1 patents)
- Tadashi Takahashi (173 patents)
- Katsumi Hirakawa (32 patents)
- Yoichi Maeda (15 patents)
- Yoshihiko Sasaki (1 patents)
- Satoshi Nishimura (6 patents)
- Masataka Souda (1 patents)
US Patent 5693719 · Granted Dec 2, 1997