Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495660 | Rotational speed display device | — | 2019-12-03 |
| 10451787 | Optical fiber and light source device | Masaaki Hirano, Yoshiaki Tamura | 2019-10-22 |
| 10222545 | Optical fiber | — | 2019-03-05 |
| 10202511 | Hydrophilic coating film, method for producing same, humidification element, and humidification device | Tasuku Izutani, Yasuhiro Yoshida, Osamu Hiroi, Masaru Takada, Hiroshi Tsutsumi | 2019-02-12 |
| 10175144 | Rotational engine speed display device | — | 2019-01-08 |