Assignee
Inventors
- Yukio Sugimura (15 patents)
- Tomoyuki Shibata (11 patents)
- Yukiko Kameyama (2 patents)
- Kimio Iino (10 patents)
- Shigeki Muramatsu (5 patents)
- Tomowo Kobayashi (13 patents)
- Toshihiko Hashimoto (9 patents)
US Patent 5633243 · Granted May 27, 1997