Assignee
Inventors
- Hisato Koshiba (12 patents)
- Takao Mizushima (21 patents)
- Akihoro Makino (1 patents)
- Yoshihiro Sudo (12 patents)
- Shinichi Sasagawa (9 patents)
- Yuichi Shonai (3 patents)
- Akihisa Inoue (182 patents)
US Patent 6183889 · Granted Feb 6, 2001