Assignee
Inventors
- Hiroyuki Kamezawa (6 patents)
- Yasuo Ueda (21 patents)
- Tsutomu Itoh (28 patents)
- Hideo Shitaya (1 patents)
- Unknown
- Miyako Uchida (1 patents)
- Ken Ichikawa (11 patents)
- Hidetoshi Seto (3 patents)
US Patent 9507724 · Granted Nov 29, 2016