TT

Tsuyoshi Takenaka

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
IC International Superconductivity Technology Center: 2 patents #60 of 245Top 25%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
NE Nec: 2 patents #5,510 of 14,502Top 40%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
📍 Himeji, JP: #66 of 1,500 inventorsTop 5%
Overall (All Time): #175,320 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7665651 Method of joining two members by friction stir welding Kinya Aota, Yasuo Ishimaru 2010-02-23
7562802 Friction stir welding method and structure body formed Kinya Aota, Yasuo Ishimaru 2009-07-21
7520104 Friction stir welding member Kinya Aota, Yasuo Ishimaru 2009-04-21
7513409 Friction stir welding method and structure body Kinya Aota, Yasuo Ishimaru 2009-04-07
7416769 Friction stir welding member Kinya Aota, Yasuo Ishimaru 2008-08-26
7413107 Friction stir welding method and structure body Kinya Aota, Yasuo Ishimaru 2008-08-19
7287683 Method of joining two members by friction stir welding Kinya Aota, Yasuo Ishimaru 2007-10-30
7178303 Friction stir welding hollow frame member Kinya Aota, Yasuo Ishimaru 2007-02-20
7114304 Friction stir welding member Kinya Aota, Yasuo Ishimaru 2006-10-03
7073701 Method of joining two members by friction stir welding Kinya Aota, Yasuo Ishimaru 2006-07-11
7056594 Friction stir welding method and structure body Kinya Aota, Yasuo Ishimaru 2006-06-06
7032805 Manufacturing method of structure body and structure body formed Kinya Aota, Yasuo Ishimaru 2006-04-25
7032804 Friction stir welding method and structure body Kinya Aota, Yasuo Ishimaru 2006-04-25
6983873 Friction stir welding method and structure body formed Kinya Aota, Yasuo Ishimaru 2006-01-10
6978923 Friction stir welding method Kinya Aota, Yasuo Ishimaru 2005-12-27
6966481 Friction stir welding method Kinya Aota, Yasuo Ishimaru 2005-11-22
6953144 Friction stir wilding method and structure body Kinya Aota, Yasuo Ishimaru 2005-10-11
6946206 Friction stir welding method and structure body Kinya Aota, Yasuo Ishimaru 2005-09-20
6862860 Friction stir welding method of opposite sides of panels Kinya Aota, Yasuo Ishimaru 2005-03-08
6840426 Friction stir welding method and structure body formed by friction stir welding Kinya Aota, Yasuo Ishimaru 2005-01-11
6592802 Process for production of polymer sheet and optical polymer sheet Hideki Goto, Junji Tanaka, Toshimasa Eguchi, Shinji Ohno 2003-07-15
6581819 Panel structure, a friction stir welding method, and a panel Kinya Aota, Yasuo Ishimaru 2003-06-24
5904861 Superconductive device manufacturing method Masahito Ban, Katsumi Suzuki, Youichi Enomoto 1999-05-18
5602079 Method and apparatus for fabricating superconductor device Katsumi Suzuki, Shuichi Fujino, Youichi Enomoto 1997-02-11