KK

Kazuhiro Kumakura

SC Shin-Etsu Chemical Co.: 4 patents #740 of 2,176Top 35%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
📍 Kamisu, JP: #31 of 117 inventorsTop 30%
Overall (All Time): #776,080 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12252564 Method for producing vinyl chloride type polymer Hiroshi Fukudome, Toshihiko Kawakubo 2025-03-18
12240972 Method for producing vinyl chloride type polymer Hiroshi Fukudome, Toshihiko Kawakubo 2025-03-04
8720531 Electronic device cooling apparatus Tomotaka Ishida, Mitsuru Yamamoto, Sakae Kitajo, Kazuo Taga 2014-05-13
8081460 Liquid-cooled heat radiator Tomotaka Ishida, Mitsuru Yamamoto, Sakae Kitajo 2011-12-20
6333284 Synthetic fused silica member Hisatoshi Otsuka, Kazuo Shirota 2001-12-25
6303712 Process for producing vinyl chloride polymer Makoto Ooura, Tadashi Amano 2001-10-16