Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067205 | Threaded connection for steel pipe | Michihiko Iwamoto, Yasuhiro Kochi, Satoshi Maruta, Yusuke Toyota | 2021-07-20 |
| 10920138 | Red phosphor and light emitting device | Shintaro Watanabe | 2021-02-16 |