Assignee
Inventors
- Katsumi Motomura (15 patents)
- Keiji Uchiyama (18 patents)
- Nobuyuki Kameyama (45 patents)
- Takashi Imamura (71 patents)
- Mitsuyoshi Mochida (10 patents)
- Yukitsugu Hata (23 patents)
- Junichi Takagi (47 patents)
US Patent 5875357 · Granted Feb 23, 1999