Assignee
Inventors
- Toshikazu Matsumoto (11 patents)
- Yoshimi Hirasawa (6 patents)
- Yasushi Nakano (123 patents)
- Mitsuyuki Suzuki (9 patents)
- Kazuo Kuwahara (1 patents)
- Masashi Hamano (1 patents)
- Takeshi Yokochi (1 patents)
US Patent 9033020 · Granted May 19, 2015