FA

Fumitaka Abukawa

DC Dowa Mining Co.: 6 patents #16 of 324Top 5%
DC Dowa Thermotech Co.: 1 patents #15 of 38Top 40%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
Overall (All Time): #658,436 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7575643 Carburization treatment method Hisashi Ebihara, Jun Takahashi, Keiji Yokose, Hidetoshi Juryozawa 2009-08-18
7276204 Carburization treatment method and carburization treatment apparatus Hisashi Ebihara, Jun Takahashi, Keiji Yokose, Hidetoshi Juryozawa 2007-10-02
7024916 Vacuum heat treatment furnace and method of and apparatus for measuring carbon concentration in atmosphere having reduced pressure. Hidetoshi Juryozawa, Keiji Yokose, Jun Takahashi, Hisashi Ebihara 2006-04-11
6709629 Vacuum heat treatment furnace Hidetoshi Juryozawa, Keiji Yokose, Jun Takahashi, Hisashi Ebihara 2004-03-23
5868871 Method and apparatus for carburizing, quenching and tempering Keiji Yokose, Hidetoshi Juryosawa, Jun Takahashi, Shinichi Takemoto, Hideki Inoue 1999-02-09
5795406 Cementation method of metals Toshiyuki Kawamura, Hitoshi Goi 1998-08-18
5795538 Apparatus for steel hardening and process therefor Hitoshi Goi, Masahiko Watanabe, Shin Kurasawa, Hirofumi Kamisugi 1998-08-18
4950334 Gas carburizing method and apparatus Nobuo Nishioka, Tadayoshi Juge, Yoshiaki Shimizu, Keishichi Namba, Hiroshi Shimura +3 more 1990-08-21