YO

Yasuhiko Ohtsubo

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Miyakojima, JP: #8 of 20 inventorsTop 40%
Overall (All Time): #2,119,580 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7833606 Ceramic honeycomb structure and method for producing ceramic honeycomb structure Hirohisa Suwabe 2010-11-16
7687008 Method for producing ceramic honeycomb filter Shunji Okazaki 2010-03-30