KH

Katsuhiko Haji

NO Nippon Oil: 1 patents #24 of 68Top 40%
Overall (1997): #123,447 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5679280 Electro rheological fluid Makoto Sasaki, Takafumi Ishii 1997-10-21