IH

Isamu Hirai

PE Pentax: 8 patents #6 of 160Top 4%
Overall (2003): #3,128 of 273,478Top 2%
8
Patents 2003

Issued Patents 2003

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6603928 Photometry device Yoshikazu Iida 2003-08-05
6571058 Photometry device Yoshikazu Iida 2003-05-27
6567617 Photometry device with light and colorimetric sensors Yoshikazu Iida 2003-05-20
6556788 Photometry device Yoshikazu Iida 2003-04-29
6535693 Photometry device Yoshikazu Iida 2003-03-18
6510285 Strobe control device Yoshikazu Iida 2003-01-21
6510284 Photometry device for a camera including external light sensor Yoshikazu Iida 2003-01-21
6507709 Photometry device Yoshikazu Iida 2003-01-14