Assignee
Inventors
- Takahiro Someji (5 patents)
- Junichi Watanabe (92 patents)
- Yoshiyuki Watanabe (100 patents)
- Shigeru Jyoumura (1 patents)
- Katsuhiko Kojyou (1 patents)
- Kazuo Kazama (6 patents)
- Kiyomi Tanaka (2 patents)
US Patent 5254212 · Granted Oct 19, 1993