HT

Hajime Takeyama

HK Hamamatsu Photonics K.K.: 2 patents #676 of 1,436Top 50%
Overall (All Time): #1,573,920 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7486846 Optical transmitting /receiving module Yoshihisa Warashina, Yasuji Hoshino, Masaaki Muto 2009-02-03
7433554 Optical wiring board and method for manufacturing optical wiring board Yoshihisa Warashina, Yasuji Hoshino, Masaaki Muto 2008-10-07
6880985 Optical module Yasuji Hoshino, Yoshihisa Warashina, Shogo Iyama 2005-04-19