Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505078 | Spot welding method and spot welding apparatus | Eisaku Hasegawa, Sumitomo Watanabe | 2016-11-29 |
| 9486875 | One-side spot welding method and one-side spot welding apparatus | Eisaku Hasegawa, Sumitomo Watanabe | 2016-11-08 |
| 9376737 | Method for producing zinc alloy | Tokuji Okumura, Taisei Wakisaka, Taiji Mizuta, Yasunari Mizuta, Shinji Saeki +2 more | 2016-06-28 |
| 9283634 | Arc welding method and arc welding apparatus | Taisei Wakisaka, Tokuji Okumura, Takanori Suzuki, Shinya Oyama | 2016-03-15 |