Assignee
Inventors
- Shingou Sakurai (1 patents)
- Masanobu Naruto (6 patents)
- Makoto Kihara (8 patents)
- Keizo Hanada (1 patents)
- Emiko Sano (3 patents)
- Shigeru Ichikura (1 patents)
- Jun Utsumi (7 patents)
- Kazuo Hosoi (3 patents)
US Patent 5641868 · Granted Jun 24, 1997