Assignee
Inventors
- Tooru Tsuru (1 patents)
- Toshio Maruyama (28 patents)
- Unknown
- Masao Takeyama (6 patents)
- Masahiro Yoshida (424 patents)
- Sakae Fujita (5 patents)
- Sachiko Suzuki (14 patents)
- Satoru Ando (41 patents)
- Hiroki Nakamaru (31 patents)
US Patent 9493868 · Granted Nov 15, 2016