TT

Toyokazu Tanaka

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
Overall (All Time): #662,498 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6759616 Gas insulated switchgear Toshiaki Rokunohe, Fumihiro Endo, Kenji Tsuchiya 2004-07-06
6680453 Gas insulated switchgear Toshiaki Rokunohe, Fumihiro Endo, Kenji Tsuchiya 2004-01-20
6469270 Gas insulated switchgear Takashi Omori, Masahira Wachi, Katsuyuki Takada 2002-10-22
5625530 Gas insulated switchgear equipment including a bypass bus and bypass disconnecting switch Yoshiaki Inami, Takahide Seki, Masafumi Ooshima 1997-04-29
5559669 Compressed gas insulation switchgear Yoshiaki Inami, Masahira Wachi 1996-09-24
5548476 Receiving and transforming apparatus Manabu Takamoto, Satoshi Miwada, Noriyuki Tetsu, Sadao Waizumi 1996-08-20
5450281 Receiving and transforming apparatus Manabu Takamoto, Satoshi Miwada, Noriyuki Tetsu, Sadao Waizumi 1995-09-12
5210679 Customer's power receiving and transforming system Manabu Takamoto, Satoshi Miwada 1993-05-11