Assignee
Inventors
- Toshio Tsuchida (16 patents)
- Hazuki Nagai (3 patents)
- Takashi Nakashima (17 patents)
- Masashi Yoshida (15 patents)
- Kaname Konuki (2 patents)
- Asako Kuroda (2 patents)
- Kunio Isshiki (16 patents)
- Tomio Takeuchi (160 patents)
US Patent 6426420 · Granted Jul 30, 2002