Assignee
Inventors
- Takashi Harada (292 patents)
- Kazutoshi Shimada (29 patents)
- Eisaku Tatsumi (56 patents)
- Shigeki Mori (133 patents)
- Kazuhiro Matsubayashi (53 patents)
- Shinichi Sunakawa (23 patents)
- Katsuhiko Nagasaki (25 patents)
US Patent 5974191 · Granted Oct 26, 1999