Assignee
Inventors
- Shuichi Ohya (6 patents)
- Masato Sakao (20 patents)
- Yoshihiro Takaishi (50 patents)
- Kiyonori Kajiyana (2 patents)
- Takeshi Akimoto (20 patents)
- Shizuo Oguro (7 patents)
- Seiichi Shishiguchi (16 patents)
US Patent 5798544 · Granted Aug 25, 1998