Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395879 | Tungsten alloy part, and discharge lamp, transmitting tube, and magnetron using the same | Shinichi Yamamoto, Kayo Nakano | 2019-08-27 |
| 10167536 | Tungsten alloy, tungsten alloy part, discharge lamp, transmitting tube, and magnetron | Shinichi Yamamoto, Kayo Nakano, Takashi Sano, Yoshiko Minami, Satoshi Yamaguchi | 2019-01-01 |