Assignee
Inventors
- Kenji Fukumura (4 patents)
- Tetsuo Yoshioka (20 patents)
- Tetsuo Fujii (126 patents)
- Takaaki Kawai (13 patents)
- Hirofumi Higuchi (55 patents)
- Teruo Oda (15 patents)
- Yasuyuki Okuda (36 patents)
US Patent 8578761 · Granted Nov 12, 2013