Assignee
Inventors
- Kunio Enomoto (22 patents)
- Katsuhiko Hirano (15 patents)
- Masahiro Otaka (14 patents)
- Kazuo Amano (8 patents)
- Eisaku Hayashi (19 patents)
- Sadato Shimizu (9 patents)
- Ren Morinaka (16 patents)
- Unknown
US Patent 5897062 · Granted Apr 27, 1999