Assignee
Inventors
- Wazo Yamada (1 patents)
- Hideo Maeda (43 patents)
- Yoshinori Yoshida (56 patents)
- Yoshimi Okamoto (12 patents)
- Koichiro Seki (4 patents)
- Keiko Ohno (1 patents)
- Masato Inuzuka (3 patents)
- Hideyuki Takayama (22 patents)
US Patent 5775119 · Granted Jul 7, 1998