Assignee
Inventors
- Kenji Mori (200 patents)
- Hiromu Hirai (23 patents)
- Haruaki Otsuki (11 patents)
- Tsuyoshi Takahashi (158 patents)
- Jun Naruse (14 patents)
- Yuji Nishimura (58 patents)
- Muneo Kawamoto (2 patents)
US Patent 5189578 · Granted Feb 23, 1993