Assignee
Inventors
- Seiich Yamada (1 patents)
- Shigeru Tanaka (330 patents)
- Moritaka Syouji (2 patents)
- Shigehisa Motowaki (18 patents)
- Ken Takahashi (85 patents)
- Shingo Shirakawa (23 patents)
- Kunihiro Maeda (27 patents)
US Patent 5610570 · Granted Mar 11, 1997