Assignee
Inventors
- Takashi Hasegawa (305 patents)
- Isao Kumada (9 patents)
- Yukio Shimada (18 patents)
- Hisakazu Ohkubo (2 patents)
- Yoichi Kimura (35 patents)
- Kiyoshi Oyama (24 patents)
- Satoshi Tamura (84 patents)
US Patent 5537193 · Granted Jul 16, 1996