Assignee
Inventors
- Yukihiro Takeuchi (49 patents)
- Toshimasa Yamamoto (48 patents)
- Yoshinori Ohtsuka (42 patents)
- Shigeyuki Akita (42 patents)
- Tadashi Hattori (216 patents)
- Kazuhiko Kanou (4 patents)
- Hirotane Ikeda (13 patents)
US Patent 5504356 · Granted Apr 2, 1996