Assignee
Inventors
- Jun Minoura (8 patents)
- Shigeyuki Takahahi (1 patents)
- Hisaki Kato (39 patents)
- Toshiyasu Ito (105 patents)
- Takaaki Mori (21 patents)
- Mamoru Kato (41 patents)
- Junichi Shimada (75 patents)
- Katsuaki Okabayashi (4 patents)
US Patent 5007718 · Granted Apr 16, 1991