Assignee
Inventors
- Mitsuo Usui (8 patents)
- Shingo Uchiyama (13 patents)
- Fusao Shimokawa (16 patents)
- Etsu Hashimoto (14 patents)
- Johji Yamaguchi (11 patents)
- Tohru Matsuura (21 patents)
- Toshifumi Konishi (2 patents)
US Patent 8599460 · Granted Dec 3, 2013