Assignee
Inventors
- Kazushige Nakamura (29 patents)
- Mitsuru Honda (22 patents)
- Hitoshi Toma (14 patents)
- Shigemori Tanaka (13 patents)
- Keiichi Murai (47 patents)
- Akira Unno (19 patents)
- Ako Takemura (7 patents)
US Patent 5112656 · Granted May 12, 1992