Assignee
Inventors
- Takashi Kusaba (39 patents)
- Hiroyuki Kobayashi (607 patents)
- Minoru Shimojo (17 patents)
- Akihiko Nakazawa (36 patents)
- Akira Shimada (101 patents)
- Atsushi Tanaka (451 patents)
- Tsunenori Ashibe (36 patents)
US Patent 6144830 · Granted Nov 7, 2000