Assignee
Inventors
- Yoshiyuki Ishihama (19 patents)
- Ryousuke Asakawa (4 patents)
- Tsutomu Sakuragi (11 patents)
- Tetsurou Fukuda (5 patents)
- Kazuya Sakata (15 patents)
- Masaru Aoki (53 patents)
- Kenji Kawagishi (4 patents)
- Keiichi Yoshimoto (4 patents)
US Patent 9975972 · Granted May 22, 2018