SI

Shigeru Iwamoto

PE Pentax: 2 patents #50 of 160Top 35%
Chevron: 2 patents #22 of 178Top 15%
Overall (2003): #12,785 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6569818 Lubricating oil composition Morikuni Nakazato, Satoshi Hirano 2003-05-27
6571061 Uniform flash-emission controller Masahiro Kawasaki, Osamu Sato, Tadahisa Ohkura, Kazuhito Taneoka 2003-05-27
6551965 Marine diesel engine lubricating oil composition having improved high temperature performance Hiroyuki Nagamatsu, Hirokazu Fujita 2003-04-22
6512890 Multi-flash photography system Masahiro Kawasaki, Osamu Sato, Tadahisa Ohkura, Kazuhito Taneoka 2003-01-28