Assignee
Inventors
- Toshiro Sugiyama (21 patents)
- Noriyuki Aoki (43 patents)
- Shigeru Watanabe (139 patents)
- Tsutomu Obata (27 patents)
- Naoaki Wada (24 patents)
- Ryohei Maruyama (37 patents)
- Ryuichi Kato (6 patents)
- Kouhei Tokuda (16 patents)
US Patent 9902160 · Granted Feb 27, 2018