Assignee
Inventors
- Mitsuhiro Kasahara (38 patents)
- Yuichi Ishikawa (78 patents)
- Tomoko Morita (41 patents)
- Makoto Kawachi (5 patents)
- Tadayuki Masumori (4 patents)
- Takao Wakitani (14 patents)
- Toshio Wakahara (2 patents)
- Akira Yawata (3 patents)
US Patent 6542135 · Granted Apr 1, 2003