YI

Yasushi Ishikawa

NS Nippon Steel: 2 patents #9 of 251Top 4%
📍 Fremont, CA: #31 of 319 inventorsTop 10%
🗺 California: #1,869 of 17,285 inventorsTop 15%
Overall (1997): #19,557 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5665669 Metallic honeycomb body for supporting catalyst and production method thereof Mikio Yamanaka, Masuhiro Fukaya, Nobuhiro Fujita, Toshikazu Nakagawa, Masao Yashiro +1 more 1997-09-09
5648176 Metallic honeycomb body for supporting catalyst for automobiles and process for producing the same Toshikazu Nakagawa, Sadao Tsushima, Masao Yashiro, Hitoshi Ohta 1997-07-15