Assignee
Inventors
- Hisayuki UEHARA (8 patents)
- Takeo Matsuzaki (5 patents)
- Akio Tetsuka (9 patents)
- Jun Sakakibara (81 patents)
- Katsuie Ikawa (8 patents)
- Masashi HIRASAWA (3 patents)
- Keisuke SUGAWARA (6 patents)
US Patent 10687771 · Granted Jun 23, 2020