TK

Tomomasa Kumagai

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
📍 Miyakojima, JP: #5 of 20 inventorsTop 25%
Overall (All Time): #1,182,044 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9890085 Ceramic honeycomb structure and its production method Hirohisa Suwabe, Masaru Yoshida 2018-02-13
9011757 Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same Hirohisa Suwabe, Masaru Yoshida, Hideya Yamane 2015-04-21
8894916 Method for producing aluminum-titanate-based ceramic honeycomb structure Hirohisa Suwabe, Masaru Yoshida 2014-11-25
8663777 Aluminum-titanate-based ceramic honeycomb structure, its production method, and starting material powder for producing same Hirohisa Suwabe, Masaru Yoshida, Hideya Yamane 2014-03-04