Assignee
Inventors
- Tadamitsu Kishimoto (41 patents)
- Toshio Hirano (34 patents)
- Shizuo Akira (19 patents)
- Hiroshi Isshiki (2 patents)
- Osamu Tanabe (14 patents)
- Shigemi Kinoshita (2 patents)
- Takuya Shimamoto (2 patents)
US Patent 5215892 · Granted Jun 1, 1993