Assignee
Inventors
- Keisuke Fukumizu (2 patents)
- Hiroaki Kato (180 patents)
- Teruo Takeuchi (35 patents)
- Takahide Shimazu (7 patents)
- Yasuo Sato (105 patents)
- Tatsuo Amaike (1 patents)
- Ryoichi Yoshihara (8 patents)
- Takeshi Harada (114 patents)
US Patent 5871851 · Granted Feb 16, 1999