Assignee
Inventors
- Kunikazu Ohnishi (39 patents)
- Takeshi Shimano (95 patents)
- Shigeru Nakamura (203 patents)
- Masayuki Inoue (164 patents)
- Yukio Fukui (48 patents)
- Yasuyuki Sugi (19 patents)
- Shinji Fujita (81 patents)
- Mitsuhiko Ota (15 patents)
US Patent 6721242 · Granted Apr 13, 2004