Assignee
Inventors
- Mitsuko Ideno (7 patents)
- Nobuko Muraki (5 patents)
- Kinuko Ogawa (1 patents)
- Masayuki Kishimoto (13 patents)
- Tatsuji Enoki (33 patents)
- Hiroaki Sagawa (47 patents)
- Ikunoshin Kato (211 patents)
US Patent 8927273 · Granted Jan 6, 2015