Assignee
Inventors
- Tsuyoshi Masumoto (105 patents)
- Akihisa Inoue (182 patents)
- Junichi Nagahora (18 patents)
- Katsumasa Ohtera (6 patents)
- Kazuo Aikawa (9 patents)
- Madoka Nakajima (1 patents)
- Keiko Yamagata (2 patents)
US Patent 5122205 · Granted Jun 16, 1992