NM

Naoki Matsubara

SO Sony: 10 patents #4,411 of 25,231Top 20%
OV Oval: 5 patents #6 of 44Top 15%
OC Oval Engineering Co.,Ltd.: 4 patents #2 of 29Top 7%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
ND Ntt Docomo: 2 patents #761 of 1,706Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
KC Kurosawa Construction Co.: 1 patents #5 of 7Top 75%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
Overall (All Time): #138,044 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4625564 Vortex flow meter Hideo Murakami 1986-12-02
4526040 Oscillation compensating apparatus for vortex flow meter 1985-07-02
4511819 Electrode connections for a piezoelectric sensor Hideo Numata 1985-04-16