KO

Keita Oikawa

NC Nippon Light Metal Company: 6 patents #31 of 499Top 7%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
Overall (All Time): #679,535 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12420354 Rotary tool, joining device, and joining method Nobushiro Seo, Ryo Yoshida, Shingo Koizumi 2025-09-23
12280442 Rotary tool, joining device, and joining method Nobushiro Seo, Ryo Yoshida, Shingo Koizumi 2025-04-22
12269113 Joining method Nobushiro Seo, Ryo Yoshida 2025-04-08
12145211 Rotary tool, joining device, and joining method Nobushiro Seo, Ryo Yoshida, Shingo Koizumi 2024-11-19
12109647 Method for producing hollow container Nobushiro Seo, Ryo Yoshida 2024-10-08
11806802 Joining method Nobushiro Seo 2023-11-07
8174689 Apparatus for inspecting defects of honeycomb structure Takayoshi Akao, Hiroyuki Shindo, Jun Inoue 2012-05-08