KO

Kanji Ohba

NC Nippon Pillar Packing Co.: 2 patents #76 of 218Top 35%
Overall (All Time): #2,277,489 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5501471 Mechanical seal with blade-like sealing end Takeo Nakajima, Yuichi TAMURA 1996-03-26
4335888 Mechanical seal Shigenari Itoi 1982-06-22