Assignee
Inventors
- Takashi Yoshii (53 patents)
- Yoshio Kawai (86 patents)
- Yukio Inazuki (100 patents)
- Satoshi Watanabe (396 patents)
- Akira Ikeda (105 patents)
- Toyohisa Sakurada (16 patents)
- Hideo Kaneko (82 patents)
US Patent 9400422 · Granted Jul 26, 2016