Assignee
Inventors
- Masaru Akiba (57 patents)
- Eiji Sugaya (12 patents)
- Hideyuki Naitou (3 patents)
- Atsushi Saitou (1 patents)
- Hiroyuki Mori (2 patents)
- Tomoyoshi Turufuji (2 patents)
- Masayuki Watanabe (143 patents)
US Patent 9930873 · Granted Apr 3, 2018