TN

Takefumi Nakako

NC Nisshin Steel Co.: 7 patents #39 of 514Top 8%
NC Nippon Steel Nisshin Co.: 6 patents #1 of 93Top 2%
Overall (All Time): #375,810 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10975899 Welded member and method for manufacturing same Kazuaki Hosomi, Tomokazu Nobutoki 2021-04-13
10906113 Arc welding method for hot-dip galvanized steel plate having excellent appearance of welded part and high welding strength, method for manufacturing welding member, and welding member Kazuaki Hosomi, Tomokazu Nobutoki 2021-02-02
10807177 Method for MIG brazing, method for manufacturing lap joint member, and lap joint member Kazuaki Hosomi, Kouki Tomimura 2020-10-20
10792746 Laser brazing method and production method for lap joint member Kazuaki Hosomi, Kouki Tomimura 2020-10-06
10710196 Vacuum insulation panel manufacturing method, and vacuum insulation panel Tsutomu Azuma, Hirohisa MISHIMA 2020-07-14
10639743 Vacuum insulation panel manufacturing method, and vacuum insulation panel Tsutomu Azuma, Hirohisa MISHIMA 2020-05-05
10632564 Vacuum insulation panel manufacturing device Tsutomu Azuma, Hirohisa MISHIMA 2020-04-28
10603733 Method for producing TIG welded stainless steel tube, TIG welded stainless steel tube, and TIG welded stainless member Tomokazu Nobutoki, Hiroshi Asada 2020-03-31
10144091 Laser welded shaped steel Yasuhiro Sakurada, Hiroshi Asada 2018-12-04
9993896 Method for laser welding of materials having different thicknesses Kazuaki Hosomi, Kenji Ogawa, Keiji Yamamoto 2018-06-12
7927043 Rockbolts made of steel pipes Tatsurou Iwasaki, Masahiro Nakata, Hiromichi Shiroma, Tetsuo Itou, Kenji Ooshima +3 more 2011-04-19
7794179 Rockbolt of high strength steel pipe and method of manufacturing the same Takeyuki Yoshida, Shigeo Matsubara, Toshiharu Kittaka, Hiroki Kanazawa 2010-09-14
4796797 Method for making thin-walled metal pipes Shoji Inoue, Akinobu Takezoe 1989-01-10