ME

Masakuni Ezumi

HI Hitachi: 17 patents #7 of 4,225Top 1%
Overall (2003): #299 of 273,478Top 1%
18
Patents 2003

Issued Patents 2003

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6659330 Friction stir welding method, and method for manufacturing car body Kazushige Fukuyori 2003-12-09
6640515 Frame member used in friction stir welding Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2003-11-04
6622904 Friction stir bonding method Kazushige Fukuyori 2003-09-23
6619534 Friction stir welding method using members which overlap and have protrusion at the weld location prior to the welding Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2003-09-16
6613447 Structural body formed by friction stir welding and having protrusion at the weld provided prior to the welding Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2003-09-02
6607837 Structural body formed by friction stir welding method Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2003-08-19
6595403 Friction stir welding method Hisanori Okamura, Masahiko Sakamoto, Kinya Aota, Isao Funyu, Kouichi Watanabe +2 more 2003-07-22
6585443 Structural body formed by friction stir welding two members, one of which has a protruding portion Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2003-07-01
6582831 Friction stir welded body and frame member therefor Kazushige Fukuyori, Tetsuya Matsunaga 2003-06-24
6557746 Friction stir bonding method Kazushige Fukuyori, Tetsuya Matsunaga 2003-05-06
6536651 Friction stir welding method Kazushige Fukuyori 2003-03-25
6533493 Structural body Kinya Aota, Yasuo Ishimaru, Takeshi Kawasaki 2003-03-18
6532712 Structural body and method of manufacture thereof Takeshi Kawasaki, Masaki Yono, Toshiaki Sagawa 2003-03-18
6530513 Friction stir welding method, and method for manufacturing car body Kazushige Fukuyori 2003-03-11
6530713 Structural body Kinya Aota, Yasuo Ishimaru, Takeshi Kawasaki 2003-03-11
6527470 Structural body and friction stir welding method Kinya Aota, Yasuo Ishimaru, Takeshi Kawasaki 2003-03-04
6513698 Method of manufacture of a structural body Kazusige Fukuyori, Akihiro Satou 2003-02-04
6502739 Method of manufacture of a structural body Kazusige Fukuyori, Akihiro Satou 2003-01-07