NM

Nobuyuki Maruyama

SI Sumitomo Metal Industries: 3 patents #222 of 1,462Top 20%
NS Nippon Stainless Steel: 2 patents #11 of 31Top 40%
TS Tokyo Kikai Seisakusho: 1 patents #91 of 195Top 50%
Overall (All Time): #1,267,110 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6817291 Printing-cylinder bearing device Yoshio Kobayashi, Takashi Takebayashi, Masashi Takenouchi, Mutsuhito Yoneta 2004-11-16
5021215 High-strength, heat-resistant steel with improved formability and method thereof Yoshiatsu Sawaragi 1991-06-04
4950873 Sheath heater Yoshiaki Shida, Hisao Fujikawa, Shunichiro Akiyama 1990-08-21
4742324 Sheath heater Yoshiaki Shida, Hisao Fujikawa, Shunichiro Akiyama 1988-05-03