KO

Keiichi Ohishi

HK Hamamatsu Photonics K.K.: 6 patents #340 of 1,436Top 25%
Overall (All Time): #869,813 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7495392 Electron multiplier unit including first and second support members and photomultiplier including the same Kimitsugu Nakamura, Yousuke Oohashi, Masuo Ito 2009-02-24
7492097 Electron multiplier unit including first and second support members and photomultiplier including the same Kimitsugu Nakamura, Yousuke Oohashi, Masuo Ito 2009-02-17
5598061 Photomultiplier Kimitsugu Nakamura, Yoshio Fujita 1997-01-28
5442179 Photomultiplier assembly and gamma camera head 1995-08-15
5371435 Photoelectron emitting device having a photocathode made of photoelectric material Hideaki Suzuki, Hiroyuki Watanabe, Junichi Takeuchi 1994-12-06
5189338 Photomultiplier tube having reduced tube length Suenori Kimura 1993-02-23