Assignee
Inventors
- Hiroyuki Takeda (60 patents)
- Shinji Tsuruta (13 patents)
- Hiroyoshi Mitsuhashi (3 patents)
- Sadao Kojima (11 patents)
- Akira Terao (35 patents)
- Kensuke Nakamura (26 patents)
- Hajime Maeda (17 patents)
- Masashi Yamada (106 patents)
US Patent 6808467 · Granted Oct 26, 2004