Assignee
Inventors
- Yoshimichi Takano (13 patents)
- Tetsuo Sakai (91 patents)
- Hiroshi Murakami (222 patents)
- Kazuo Takahashi (213 patents)
- Mutsumi Mimasu (10 patents)
- Utaro Miyagawa (7 patents)
- Makoto Takei (6 patents)
- Koichi Wani (17 patents)
US Patent 5610623 · Granted Mar 11, 1997