HB

Hiroshi Betsui

HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,014,087 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9513434 Optical waveguide and manufacturing method thereof Daichi Sakai, Toshihiro Kuroda, Kouta Segawa, Masao Uchigasaki 2016-12-06
9442251 Optical waveguide with mirror, optical fiber connector, and manufacturing method thereof Daichi Sakai, Toshihiro Kuroda, Kouta Segawa, Masao Uchigasaki 2016-09-13