Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274981 | Stress measurement device for strengthened glass, stress measuring method for strengthened glass, manufacturing method of strengthened glass, and strengthened glass | Yoshio Orihara, Satoshi OGAMI, Seiji Inaba | 2022-03-15 |
| 10859452 | Surface refractive index measurement method and surface stress measurement method using the same | Yoshio Orihara, Satoshi OGAMI | 2020-12-08 |
| 5155646 | Multiple layered thin-film magnetic head for magnetic recording and reproducing apparatus | Wataru Fujisawa, Takaharu Nishino, Hisanori Yoshimizu | 1992-10-13 |