Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10362404 | Speaker apparatus | Yoshitaka Junicho, Kazuyuki Tamaya, Satoshi Chiba, Natsumi Ota | 2019-07-23 |
| 4532409 | Method for gas shielded arc welding with direct current non-consumable electrode | Isao Aida, Hirokazu Murayama, Kenjiro Shibuya | 1985-07-30 |