Assignee
Inventors
- Shigeo Okonogi (14 patents)
- Ryo Kato (44 patents)
- Yuzo Asano (14 patents)
- Hiroya Yuguchi (6 patents)
- Renzo Kumazawa (1 patents)
- Kazuyoshi Sotoyama (12 patents)
- Kiyotaka Takahashi (28 patents)
- Masahisa Fujimoto (1 patents)
US Patent 5279847 · Granted Jan 18, 1994