Assignee
Inventors
- Shoshiro Saruta (21 patents)
- Yoshihiro Ogawa (170 patents)
- Akiya Nakayama (27 patents)
- Masayoshi Tokumoto (2 patents)
- Yoshito Sasaki (32 patents)
- Satoshi Okada (202 patents)
- Satoru Sawada (47 patents)
US Patent 9052400 · Granted Jun 9, 2015