Assignee
Inventors
- Shigeru Hayakawa (56 patents)
- Ryujiro Akizuki (28 patents)
- Atsushi Katsurayama (2 patents)
- Yasuhiko Sono (30 patents)
- Satoshi Suzuki (578 patents)
- Eiji Torii (2 patents)
- Toshihiro Kitamura (12 patents)
US Patent 7798539 · Granted Sep 21, 2010