Assignee
Inventors
- Yasuo Hirano (43 patents)
- Jun Aoto (27 patents)
- Kazuo Nojima (16 patents)
- Koji Suzuki (383 patents)
- Hiroshi Takashima (29 patents)
- Shigekazu Enoki (30 patents)
- Yuichi Ueno (29 patents)
- Naoki Iwata (41 patents)
US Patent 5741616 · Granted Apr 21, 1998