Assignee
Inventors
- Shozo Kasai (20 patents)
- Takeo Tanita (15 patents)
- Masateru Yasuhara (19 patents)
- Yusaku Azuma (31 patents)
- Toshihiro Yamamoto (99 patents)
- Norio Nikaido (12 patents)
- Ryohei Inaba (15 patents)
- Mitsuo Arai (14 patents)
US Patent 5503516 · Granted Apr 2, 1996