Assignee
Inventors
- Masao Fujita (41 patents)
- Shuji Hirohama (1 patents)
- Yoshihiro Hayashi (238 patents)
- Shinichi Igarashi (2 patents)
- Yuichi Mizukami (9 patents)
- Yasushi Sekiyama (8 patents)
- Asami Takata (4 patents)
US Patent 5928661 · Granted Jul 27, 1999