SK

Seiji Kumazawa

PA Panasonic: 2 patents #428 of 2,466Top 20%
Overall (2021): #114,352 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11185947 Welding structure and welding method for metal member Takayuki Ashida 2021-11-30
11161197 Joined structure and joining method Takayuki Hirose, Yasushi Taniguchi, Takayuki Ashida 2021-11-02