Assignee
Inventors
- Yutaka Enko (12 patents)
- Toshiaki Arai (106 patents)
- Reki Yamamoto (3 patents)
- Naofumi Shouji (2 patents)
- Tomoki Sekiguchi (33 patents)
- Tsutomu Noda (13 patents)
- Tsuyoshi Watanabe (181 patents)
- Tetsuya Mochida (33 patents)
US Patent 6078944 · Granted Jun 20, 2000