Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110547 | Laser welding method | Yasushi Mukai, Junji Fujiwara, Tatsuyuki Nakagawa | 2021-09-07 |
| 11052483 | Laser welding device and laser welding method | Tatsuyuki Nakagawa, Junji Fujiwara, Noriyuki Matsuoka, Wataru Takahashi | 2021-07-06 |
| 11020820 | Laser welding method | Junji Fujiwara | 2021-06-01 |
| 11014186 | Wire fed arc welding method having abnormal arc or abnormal short circuit welding steps | Kaito Matsui, Junji Fujiwara, Akira Nakagawa | 2021-05-25 |
| 10981246 | Laser welding method | Junji Fujiwara, Yasushi Mukai, Hitoshi Nishimura | 2021-04-20 |
| 10974338 | Arc welding control method | Yuya Furuyama, Junji Fujiwara, Masaru Kowa, Kaito Matsui | 2021-04-13 |
| 10919100 | Arc welding control method | Yuya Furuyama, Junji Fujiwara, Masaru Kowa, Kaito Matsui | 2021-02-16 |