Assignee
Inventors
- Katsuo Katayama (9 patents)
- Hiroyuki Nakagawa (88 patents)
- Hiroaki Tsuji (19 patents)
- Akira Kawanami (2 patents)
- Shintarou Kouno (1 patents)
- Shigetaka Tooka (1 patents)
- Shizuko Kurokawa (1 patents)
US Patent 10676839 · Granted Jun 9, 2020