Assignee
Inventors
- Tsutomu Takahashi (178 patents)
- Hisao Hayashi (58 patents)
- Mitsuo Kaetsu (9 patents)
- Shiro Tani (3 patents)
- Hideki Zenitani (18 patents)
- Kouichi Namimatsu (2 patents)
- Masato Konishi (7 patents)
US Patent 6552915 · Granted Apr 22, 2003