Assignee
Inventors
- Kaoru Shiraishi (1 patents)
- Takeru Sharyo (2 patents)
- Ryoichiro Takahashi (19 patents)
- Masaaki Watanabe (34 patents)
- Sakae Sonoda (6 patents)
- Osamu Furuyama (5 patents)
- Kouji Kaburagi (3 patents)
US Patent 5122288 · Granted Jun 16, 1992