Assignee
Inventors
- Kazuo Nakajima (40 patents)
- Yoshiaki Hirata (2 patents)
- Hiroyuki Uchida (2 patents)
- Tomoko Shiomi (1 patents)
- Tsutomu Taniguchi (7 patents)
- Akira Obayashi (16 patents)
- Osamu Tanabe (14 patents)
- Takuma Sasaki (18 patents)
US Patent 4454289 · Granted Jun 12, 1984