Assignee
Inventors
- Keisuke Sugiyama (59 patents)
- Kiyoshi Hata (41 patents)
- Takeshi Akai (26 patents)
- Ikuhisa Okamoto (27 patents)
- Jun Yamada (258 patents)
- Takao Watanabe (198 patents)
- Akihiro Musha (24 patents)
US Patent 9221648 · Granted Dec 29, 2015