KO

Katsutoshi Okumura

SI Sintokogio: 2 patents #157 of 455Top 35%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #1,762,588 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11986878 Die molding surface treatment device Youhei Noguchi, Koji Sakou, Hirotaka Kurita, Takashi Nagaya, Hirotsune Watanabe 2024-05-21
10888919 Core forming device and core forming method Hirotsune Watanabe, Shogo Izumi, Hirotaka Kurita, Katsushige Yamamoto 2021-01-12