YK

Yoshihiko Kitagawa

KS Kobe Steel: 6 patents #242 of 1,773Top 15%
SC Sumitomo Chemical: 5 patents #946 of 4,033Top 25%
Overall (All Time): #448,018 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11691227 Solid wire for electroslag welding, and welding joint Hidenori Nako, Tomoko Sugimura, Keito ISHIZAKI 2023-07-04
10562134 Flux-cored wire for gas-shielded arc welding Masafumi Yamakami, Masayuki NAGAMI 2020-02-18
10427249 Flux-cored wire for gas-shielded arc welding Masafumi Yamakami, Masayuki NAGAMI 2019-10-01
9956650 Weld metal having excellent resistance to hydrogen embrittlement Hidenori Nako, Takuya Kochi, Wataru Urushihara, Munenobu Sato 2018-05-01
9718150 Weld metal excellent in hydrogen embrittlement resistance Hidenori Nako, Takuya Kochi, Wataru Urushihara, Munenobu Sato 2017-08-01
9592575 Weld metal having excellent resistance to hydrogen embrittlement susceptibility Hidenori Nako, Takuya Kochi, Wataru Urushihara, Munenobu Sato 2017-03-14
5496863 Method of crosslinking rubber and plastic moldings Tadashi Jinno, Masashi Aoshima, Taisuke Okita, Hideo Shinonaga, Kaoru Kitadono 1996-03-05
4522955 Highly foamed polypropylene product and an extrusion process for forming the product Nobuo Fukushima, Takuzo Okumura, Kazuaki Sakakura 1985-06-11
4344906 Process for producing glass fiber-reinforced transparent cast sheet Masahiro Yuyama, Masahiko Moritani, Mikio Suzuki 1982-08-17
4287317 Continuous process for producing rubber-modified methyl methacrylate syrups Yoshimi Hanamura, Masahiro Yuyama, Masahiko Moritani, Akira Sakuramoto, Mikio Suzuki 1981-09-01
4228266 Process for producing copolymerized resins Ken Kudo, Teruhisa Koyama, Akira Takata, Shuichi Kanagawa, Tetsuo Yamaguchi 1980-10-14