KM

Katsukiyo Marukawa

SI Sumitomo Metal Industries: 4 patents #149 of 1,462Top 15%
TS Tokuyama Soda: 1 patents #56 of 151Top 40%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #1,044,814 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6435385 Immersion nozzle Shigeta Hara, Shinichiro Yokoya 2002-08-20
4389246 Gasification process of solid carbonaceous material Shozo Okamura, Hidemasa Nakajima, Shoji Anezaki, Takeyuki Hirata 1983-06-21
4292073 Steel making process Syoji Anezaki, Seiichi Masuda 1981-09-29
4280838 Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace Isao Yamazaki, Syoji Anezaki, Tsutomu Kajimoto 1981-07-28
4225565 Process for treating waste slags Setsuo Okamoto, Kazunari Yamada, Masahisa Iba 1980-09-30