Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10175509 | Spectacle lens | — | 2019-01-08 |
| 7360449 | Ultrasonic fluid measurement instrument having a plurality of split channels formed by partition boards | Yasuhiro Umekage, Yukio Nagaoka, Hajime Miyata, Shigeru Iwanaga | 2008-04-22 |
| 7237441 | Ultrasonic type fluid measurement device | Yasuhiro Umekage, Yukio Nagaoka, Hajime Miyata, Shigeru Iwanaga | 2007-07-03 |