Assignee
Inventors
- Mitsunobu Kawashima (17 patents)
- Mitsuru Takei (15 patents)
- Naoki Nishigaki (8 patents)
- Shumei Ishihara (12 patents)
- Kenji Hatanaka (15 patents)
- Hiroshige Ishino (7 patents)
- Akiko Tsuji (18 patents)
US Patent 10231905 · Granted Mar 19, 2019