Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12023513 | Light source for myopia prevention article and method of using light source for myopia prevention article | Masahiko Yamakawa, Toshihide Kurihara, Kazuo Tsubota | 2024-07-02 |
| 11699935 | Motor | Nobuhiro Kato, Takashige Inagaki, Keiji NAKAYA, Takuhito Fujiwara | 2023-07-11 |
| 11655827 | Pump device | Nobuhiro Kato, Takashige Inagaki, Keiji NAKAYA | 2023-05-23 |
| 11007375 | Light source for myopia prevention article and method of using light source for myopia prevention article | Masahiko Yamakawa, Toshihide Kurihara, Kazuo Tsubota | 2021-05-18 |
| 10865134 | Glass | Kensuke Nagai, Tetsuya Nakashima, Yutaka KUROIWA, Hiroyuki Hijiya, Masamichi Tanida +4 more | 2020-12-15 |
| 10866433 | Optical element | Shunsuke Shioya, Kazuo Tsubota, Toshihide Kurihara | 2020-12-15 |
| 10823982 | Myopia treatment device | Kazuo Tsubota, Kazuno Negishi, Toshihide Kurihara | 2020-11-03 |
| 10133092 | Myopia prevention device | Kazuo Tsubota, Kazuno Negishi, Toshihide Kurihara | 2018-11-20 |
| 10041501 | Vortex pump and fuel vapor treatment device comprising the vortex pump | Atsushi Sugimoto, Shinya Suzuki | 2018-08-07 |
| 10030661 | Electric pump | — | 2018-07-24 |