Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12130182 | Transmission type color gradation chart, transmission type color gradation chart device and gray gradation chart | Akihiro Maeda, Yoshihiko Ogino | 2024-10-29 |
| 12048415 | Color correction device for medical apparatus | Yoshihiko Ogino, Tohru Sugiyama, Yusuke Murayama, Kiyoko Tateishi, Akihiro Maeda +1 more | 2024-07-30 |
| 11635329 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno +1 more | 2023-04-25 |
| 11397110 | Color calibration viewer, and color calibration set in which same is used | Yoshihiko Ogino, Keiichi Ganbe, Kazumasa Onuki, Takahiro Sahara | 2022-07-26 |
| 11371886 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno +1 more | 2022-06-28 |
| 11340115 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno +1 more | 2022-05-24 |