Assignee
Inventors
- Koji Ishioka (9 patents)
- Sho Sakamoto (12 patents)
- Hiroyuki Okita (11 patents)
- Yuichi Takai (21 patents)
- Kenichi Takahashi (293 patents)
- Masayoshi Akita (9 patents)
- Yasuhiro Watanabe (196 patents)
US Patent 7944617 · Granted May 17, 2011