Assignee
Inventors
- Yohei Shibata (14 patents)
- Yoshinobu Yasunaga (7 patents)
- Tsutomu Watanabe (163 patents)
- Tokuo Inamasu (14 patents)
- Ryoichi Okuyama (7 patents)
- Minoru Yagi (17 patents)
- Hiroshi Obuse (2 patents)
- Shinichi Wada (36 patents)
US Patent 9172072 · Granted Oct 27, 2015