AT

Ayumu Takakuwa

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,179,959 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6890237 Shadow mask assembly manufacturing method and cathode ray tube manufacturing method Naomi Nishiki, Tosinobu Yokoyama, Yuji Uesugi, Kiyotaka Ihara, Kiyohito Miwa +1 more 2005-05-10
6570309 Cathode ray tube Masayuki Omori, Tadayuki Sato, Yoshikazu Demi 2003-05-27