Hagio Tsuyoshi

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%

AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%

📍 Tosu, JP: #121 of 191 inventorsTop 65%

Overall (All Time): #3,889,255 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5063184	Pressureless sintered body of boron nitride	Kazuo Kobayashi, Hisayoshi Yoshida, Ichitaro Ogawa, Hiroshi Harada, Hiroaki Yasunaga +1 more	1991-11-05