Assignee
Inventors
- Takeshi Yasui (46 patents)
- Tetsuo Iwata (1 patents)
- Yasuhiro Mizutani (14 patents)
- Takeo Minamikawa (2 patents)
- Takahiko Mizuno (2 patents)
- Eiji HASE (1 patents)
- Hirotsugu Yamamoto (37 patents)
US Patent 10837906 · Granted Nov 17, 2020