Assignee
Inventors
- Takashi Yamamoto (694 patents)
- Hiroshi Nohara (25 patents)
- Shiki Nakayama (10 patents)
- Kouichi Sugimoto (15 patents)
- Kazuo Takeda (84 patents)
- Shigefumi Oda (8 patents)
- Yoshiharu Nishiura (27 patents)
US Patent 6054810 · Granted Apr 25, 2000