Assignee
Inventors
- Katsuya Marumo (8 patents)
- Unknown
- Kazuyuki Tsukimori (24 patents)
- Hiroshi Shiino (2 patents)
- Yasushi Kawashima (22 patents)
- Hajime Umeki (12 patents)
- Junji OBATA (6 patents)
- Keisuke Yano (61 patents)
US Patent 10304639 · Granted May 28, 2019