Assignee
Inventors
- Eiichi Yanagi (33 patents)
- Takahiro Watanabe (179 patents)
- Yoshimasa Ogawa (28 patents)
- Tsutomu Kikawa (30 patents)
- Kazuo Kitamura (39 patents)
- Yasuo Suzuki (361 patents)
- Kenichi Watanabe (336 patents)
US Patent 7715023 · Granted May 11, 2010