SN

Seiji Nakahata

Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
📍 Itami, JP: #25 of 229 inventorsTop 15%
Overall (1997): #24,633 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5695700 Method of preparing a ceramic porous body Hisao Takeuchi, Takahiro Matsuura, Chihiro Kawai 1997-12-09
5618765 Ceramics porous body and method of preparing the same Hisao Takeuchi, Takahiro Matsuura, Chihiro Kawai 1997-04-08