TO

Takahiro Ohnuki

NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Overall (All Time): #3,941,729 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4880476 Process for the phosphate chemical conversion treatment of a steel material Shigeki Matsuda, Kazuhiko Mori, Wataru Gotou 1989-11-14