Assignee
Inventors
- Shigeru Kizaki (10 patents)
- Yoshikazu Sakaguchi (88 patents)
- Hachiro Kimura (1 patents)
- Kazuo Murata (27 patents)
- Issei Nakayama (1 patents)
- Takamasa Tanaka (5 patents)
- Toshihide Ohi (1 patents)
US Patent 5841217 · Granted Nov 24, 1998